Reference Standards

Reference Standard Support that Makes You Faster to Market

With more than 300 commercial reference standards in stock, Purisys provides structural elucidation and comprehensive characterization data for your development and commercial requirements in support of regulatory filings and drug product releases.

Purisys has a specialized process to support rapid development and qualification of standards. We can support you by providing custom synthesis of degradation products, metabolites, and other unique impurities. We can also provide investigative services including identification, standard preparation, and relative response factor determination of impurities found in dosage forms.

We ship reference standards to more than 40 countries on six continents. We can manufacture, store, and distribute a broad array of controlled substances, and we have two global ISO certifications: ISO 7025 (Testing and Calibration Laboratories) and ISO 17034 (Reference APIs Producers). These certifications ensure the quality of our services and the purity and potency of the products we make.

Purisys Reference Standards

CAS NumberMaterial NameMaterial NumberQuantityFamily
1972-08-3Δ9-Tetrahydrocannabinol (1 mg/mL in MeOH)51634-2338-991 AmpuleCannabinoid Ampules
5957-75-5Δ8-Tetrahydrocannabinol (1 mg/mL in MeOH)51634-2239-991 AmpuleCannabinoid Ampules
23978-85-0Δ9-Tetrahydrocannabinolic acid (THCA), 1 mg/mL in ACN51634-2187-991 AmpuleCannabinoid Ampules
1244-58-2 Cannabidiolic Acid (CBDA), 1 mg/mL51634-2184-991 AmpuleCannabinoid Ampules
31262-37-0Δ9-Tetrahydrocannabivarin (THCV, 1 mg/mL in MeOH)51634-2279-991 AmpuleCannabinoid Ampules
24274-48-4 (-)-Cannabidivarin (CBDV), 1 mg/mL51634-2166-991 AmpuleCannabinoid Ampules
60113-11-3(-)-Cannabidibutol (CBDB), 1 mg/mL in ACN51634-2290-991 AmpuleCannabinoid Ampules
521-35-7 Cannabinol (CBN), 1 mg/mL51634-2215-991 AmpuleCannabinoid Ampules
25654-31-3Cannabigerol (CBG) (1 mg/mL in MeOH)51634-2231-991 AmpuleCannabinoid Ampules
25555-57-1Cannabigerolic Acid (CBGA), 1 mg/mL51634-2186-991 AmpuleCannabinoid Ampules
20675-51-8 Cannabichromene (CBC), 1 mg/mL51634-2180-991 AmpuleCannabinoid Ampules
76735-57-4Cannflavin A, 1 mg/mL in ACN51634-2311-991 AmpuleCannabinoid Ampules
41808-19-9Cannabichromevarin (CBCV), 1 mg/mL51634-2181-991 AmpuleCannabinoid Ampules
22148-75-0Amphetamine Formamide 51634-2040-09 Amphetamines
60-13-9Amphetamine Sulfate51634-2024-09 Amphetamines
51-63-8Dextroamphetamine Sulfate51634-2022-09 Amphetamines
103-79-7Phenylacetone (USP Impurity B)51634-2026-09 Amphetamines
N/AAmphetamine Aspartate51634-2023-09 Amphetamines
N/AAmphetamine Impurity 25151634-2039-09 Amphetamines
350708-40-6Dextroamphetamine Saccharate51634-2021-09 Amphetamines
51-63-8Dextroamphetamine Sulfate, < 98% EE51634-2022-99 Amphetamines
175591-09-0Tapentadol Hydrochloride51634-1015-09100 mgTapentadol
520-52-5Psilocybin Trihydrate51634-2429-09Psilocybin and Psilocin
520-53-6Psilocin51634-2422-09Psilocybin and Psilocin
30000-66-94-acetoxy ketoamide51634-2187-09Psilocybin and Psilocin
N/AN-Chloromethyl Psilocin51634-2430-09Psilocybin and Psilocin
57-27-2Morphine Base51634-0018-09Morphine
64-31-3Morphine Sulfate51634-0017-09Morphine
131563-73-010-Hydroxymorphine51634-0939-09Morphine
3371-56-014-Hydroxymorphine Base51634-1088-09Morphine
76-57-3Codeine Base51634-0009-09Morphine
639-46-3Morphine N-Oxide51634-0907-09Morphine
91265-67-7Morphinone Perchlorate51634-1001-09Morphine
467-04-9Oripavine Base51634-0001-09Morphine
125-24-6Pseudomorphine Base (2,2'-Bismorphine)51634-0902-09Morphine
76-41-5Oxymorphone Base51634-0913-09Oxymorphone
357-07-3Oxymorphone Hydrochloride51634-0095-09Oxymorphone
1801682-01-810-Hydroxyoxymorphone Base51634-2020-09Oxymorphone
96445-15-710-Ketooxymorphone Base51634-2019-09Oxymorphone
2183-56-414-α-Hydroxydihydromorphine Base51634-1053-09Oxymorphone
508-54-314-Hydroxycodeinone Base 51634-0906-09Oxymorphone
41135-98-214-Hydroxymorphinone Base51634-1013-09Oxymorphone
1426174-64-22,2'-Bisoxymorphone Base51634-1028-09Oxymorphone
109440-85-98-Hydroxyoxymorphone Base51634-1050-09Oxymorphone
71-68-1Hydromorphone Hydrochloride51634-0057-09Oxymorphone
76-42-6Oxycodone Base51634-0003-09Oxymorphone
71360-37-7Oxymorphone N-Oxide51634-1049-09Oxymorphone
N/APyran Bridged Oxymorphone Dimer51634-1059-09Oxymorphone
N/A4-Hydroxyoxymorphone HCl51634-2153-09Oxymorphone
33522-95-1Noroxymorphone Base51634-1022-09Oxymorphone
52446-24-9Noroxymorphone Hydrochloride51634-2053-09Oxymorphone
N/AOxymorphone Aldol Dimer51634-2133-09Oxymorphone
124-90-3Oxycodone Hydrochloride51634-0102-09Oxymorphone
N/AN-Formylnoroxymorphone51634-2347-09Oxymorphone
76-42-6Oxycodone Base51634-0003-09Oxycodone
124-90-3Oxycodone Hydrochloride51634-0102-09Oxycodone
96453-12-210-Hydroxyoxycodone Base51634-2005-09Oxycodone
96445-11-310-Ketooxycodone Base51634-2126-09Oxycodone
508-54-314-Hydroxycodeinone Base51634-0906-09Oxycodone
7183-69-97,8-Dihydro-14-hydroxycodeine Base51634-0920-09Oxycodone
23185-97-97,8-Dihydro-8,14-dihydroxycodeinone Base51634-0918-09Oxycodone
2859-09-87-Methyloxycodone Base51634-1032-09Oxycodone
467-13-0Codeinone Base51634-0998-09Oxycodone
125-29-1Hydrocodone Base51634-0015-09Oxycodone
52446-25-0Noroxycodone Hydrochloride51634-1057-09Oxycodone
33522-95-1Noroxymorphone Base51634-1022-09Oxycodone
100740-55-4Oxycodone Ethyl Enolate51634-0919-09Oxycodone
71539-52-1Oxycodone N-Oxide51634-0908-09Oxycodone
357-07-3Oxymorphone Hydrochloride51634-0095-09Oxycodone
115-37-7Thebaine Alkaloid51634-0006-09Oxycodone
76-41-5Oxymorphone Base51634-0913-09Oxycodone
N/AOxycodone Aldol Dimer51634-2171-09Oxycodone
16590-41-3Naltrexone Base51634-1060-09Naltrexone
16676-29-2Naltrexone Hydrochloride51634-1064-09Naltrexone
60767-82-010-Hydroxynaltrexone Base51634-2052-09Naltrexone
96445-14-610-Ketonaltrexone Base51634-2011-09Naltrexone
123086-68-014-Hydroxy-17-cyclopropylmethylnormorphinone Base51634-2012-09Naltrexone
607732-61-62,2'-Bisnaltrexone Base (Pseudonaltrexone)51634-1061-09Naltrexone
767615-69-03-(Cyclopropylmethyl) Naltrexone Base51634-1062-09Naltrexone
16617-07-53-O-Methylnaltrexone Base51634-2104-09Naltrexone
N/A8-Hydroxynaltrexone Base51634-2007-09Naltrexone
189016-90-8N-(3-Butenyl)-noroxymorphone Base51634-2013-09Naltrexone
607732-61-6Naltrexone Aldol Dimer Base51634-1063-09Naltrexone
33522-95-1Noroxymorphone Base51634-1022-09Naltrexone
144265-46-3Noroxymorphone Carbamate51634-2006-09Naltrexone
357-07-3Oxymorphone Hydrochloride51634-0095-09Naltrexone
76-41-5Oxymorphone Base51634-0913-09Naltrexone
298-59-9Methylphenidate Hydrochloride51634-0114-09Methylphenidate
19716-79-1Ethylphenidate Hydrochloride51634-1054-09Methylphenidate
23644-60-2Methylphenidate Hydrochloride, erythro isomer51634-2111-09Methylphenidate
19395-41-6Ritalinic Acid51634-1055-09Methylphenidate
19262-68-1Dexmethylphenidate HCl51634-2112-09Methylphenidate
129389-67-9Dexritalinic AcidN/AMethylphenidate
608137-33-3Lisdexamfetamine Dimesylate51634-2058-09Lisdexamfetamine
NAAmphetamine MSA (Impurity 1)   51634-2351-09Lisdexamfetamine
NARS and SR-Lisdexamfetamine Dimesylate (Impurity 2)  51634-2352-09Lisdexamfetamine
NA1,3-Bis-(1-methyl-2-phenylethyl)urea (Impurity 3)  51634-3212-09Lisdexamfetamine
NA[(IS)-Methyl-2-phenyl-ethyl]carbanic acid isobutyl ether (Impurity 4)  51634-3208-09Lisdexamfetamine
NABis-Boc Lisdexamfetamine (Impurity 5)51634-3207-09 Lisdexamfetamine
NAD-Lys-L-Amfetamine Dimesylate (Impurity 6) 51634-2353-09Lisdexamfetamine
NAα-amino-Boc-Lisdexamfetamine (INT1)   51634-3209-09 Lisdexamfetamine
NABoc-Lisdexamfetamine (INT 2)  51634-3210-09Lisdexamfetamine
71-68-1Hydromorphone Hydrochloride51634-0057-09Hydromorphone
63732-74-16-β-Tetrahydrooripavine Base51634-0990-09Hydromorphone
339525-94-98-Hydroxyhydromorphone51634-0988-09Hydromorphone
873087-79-78,14-Dihydrooripavine Base51634-0083-09Hydromorphone
509-60-4Dihydromorphine Base51634-0987-09Hydromorphone
109648-80-8Hydromorphone N-Oxide51634-0991-09Hydromorphone
N/AHyrdromorphone Aldol Dimer HCl51634-2191-09Hydromorphone
57-27-2Morphine Base51634-0018-09Hydromorphone
91265-67-7Morphinone Perchlorate51634-1001-09Hydromorphone
14696-23-2Norhydromorphone Base51634-0989-09Hydromorphone
N/APseudodihydrooripavine Base51634-0993-09Hydromorphone
N/APseudohydromorphone Base (2,2'-Bishydromorphone)51634-0981-09Hydromorphone
N/A10-Ketohydromorphone51634-2204-09Hydromorphone
N/A10-α-Hydroxyhydromorphone51634-2202-09Hydromorphone
125-29-1Hydrocodone Base51634-0015-09Hydrocodone
34195-34-1Hydrocodone Bitartrate51634-0104-09Hydrocodone
1004312-79-110-Hydroxyhydrocodone Base51634-1020-09Hydrocodone
184884-65-9 10-β-Hydroxyhydrocodone51634-2201-09Hydrocodone
1273112-37-010-Ketohydrocodone Base51634-2016-09Hydrocodone
41714-53-86-β-Tetrahydrothebaine Base51634-1017-09Hydrocodone
561-25-18,14-Dihydrothebaine51634-0995-09Hydrocodone
2859-16-7Codeine-6-methyl Ether Base51634-0903-09Hydrocodone
76-57-3Codeine Base51634-0009-09Hydrocodone
467-13-0Codeinone Base51634-0998-09Hydrocodone
125-28-0Dihydrocodeine Base51634-0088-09Hydrocodone
847-86-9Dihydrothebainone Base51634-0911-09Hydrocodone
N/AHydrocodone Aldol Dimer51634-2170-09Hydrocodone
909265-05-0Hydrocodone N-Oxide51634-1000-09Hydrocodone
71-68-1Hydromorphone Hydrochloride51634-0057-09Hydrocodone
N/AMethylene Bridged Hydromorphone Dimer Base51634-0933-09Hydrocodone
N/AMethylene Bridged Morphine Dimer Base51634-0932-09Hydrocodone
57-27-2Morphine Base51634-0018-09Hydrocodone
76-42-6Oxycodone Base51634-0003-09Hydrocodone
N/APseudohydrocodone Base51634-0915-09Hydrocodone
115-37-7Thebaine Alkaloid51634-0006-09Hydrocodone
64-31-3Morphine Sulfate51634-0017-09Hydrocodone
124-90-3Oxycodone Hydrochloride51634-0102-09Hydrocodone
N/A7-(6’-Dihydrocodeine) Hydrocodone 2-Bitartrate (DHHC-2BT)51634-0942-29Hydrocodone
N/A7-(6’-Dihydrocodeine) Hydrocodone 1-Bitartrate (DHHC-1BT)51634-0942-19Hydrocodone
76-57-3Codeine Base51634-0009-09Codeine
1777-89-510-Hydroxycodeine Base51634-0940-09Codeine
4829-46-314-Hydroxycodeine Base51634-0923-09Codeine
23950-06-3α-Codeimethine Base51634-0904-09Codeine
2859-16-7Codeine-6-methyl Ether Base51634-0903-09Codeine
467-13-0Codeinone Base51634-0998-09Codeine
121395-47-9Dimethylpseudomorphine Base51634-0901-09Codeine
57-27-2Morphine Base51634-0018-09Codeine
467-15-2Norcodeine Base51634-2046-09Codeine
115-37-7Thebaine Alkaloid51634-0006-09Codeine
3688-65-1Codeine-N-Oxide51634-0048-09Codeine
465-65-6Naloxone Base51634-2017-09Naloxone
357-08-4 Naloxone Hydrochloride51634-2018-09Naloxone
2139253-68-010-α-Hydroxynaloxone Base51634-2009-09Naloxone
2139253-69-110-β-Hydroxynaloxone Base51634-2010-09Naloxone
294175-43-210-Ketonaloxone Base51634-2042-09Naloxone
2139253-87-33-O-Allylnaloxone Hydrochloride (EP Imp B)51634-2050-09Naloxone
70866-64-73-O-Methylnaloxone (EP Imp G)51634-2048-09Naloxone
26451-92-37,8-Didehydronaloxone Base (EP Imp D)51634-2043-09Naloxone
211738-08-8Naloxone Dimer (2,2'-Bisnaloxone, EP Imp E))51634-2041-09Naloxone
112242-14-5Naloxone N-Oxide51634-2109-09Naloxone
33522-95-1Noroxymorphone Base51634-1022-09Naloxone
144265-46-3Noroxymorphone Carbamate51634-2006-09Naloxone
N/A4-Hydroxy-7,8 didehydronaloxone HCl51634-2233-09Naloxone
N/AN-Allyl-10-hydroxynorhydromorphone51634-2222-09Naloxone
20410-95-16-α-Naloxol51634-2234-09Naloxone
 53154-12-46-β-Naloxol51634-2235-09Naloxone
N/ANaloxone degradation product 151634-2251-09Naloxone
N/A10-Hydroxy-7,8-didehydronaloxone51634-2253-09Naloxone
N/A8,10-Dihydroxynaloxone51634-2254-09Naloxone
53152-21-9Buprenorphine Hydrochloride51634-1040-09Buprenorphine
52485-79-7Buprenorphine Base51634-1039-09Buprenorphine
61577-04-615,16-Dehydrobuprenorphine Base51634-1052-09Buprenorphine
155203-05-717,18-Dehydrobuprenorphine Base (EP Imp J)51634-1036-09Buprenorphine
163597-04-42,2'-Bisbuprenorphine Base (EP Imp G)51634-2119-09Buprenorphine
N/A3-Deshydroxybuprenorphine Base51634-1037-09Buprenorphine
16196-70-63-O-Methyl-N-methylnorbuprenorphine Base51634-1042-09Buprenorphine
16524-65-53-O-Methylbuprenorphine Base (EP Imp D)51634-1044-09Buprenorphine
16614-60-13-O-Methyl-N-cyanonorbuprenorphine Base (EP Imp C)51634-1041-09Buprenorphine
16614-59-83-O-Methylnorbuprenorphine Base51634-1043-09Buprenorphine
130668-48-36-O-Desmethylbuprenorphine Base (EP Imp E)51634-1038-09Buprenorphine
112242-17-8Buprenorphine N-Oxide51634-1045-09Buprenorphine
457071-73-7N-But-3-enylnorbuprenorphine Base (EP Imp A; USP Imp A)51634-1046-09Buprenorphine
228550-34-3N-Methylnorbuprenorphine Base51634-1047-09Buprenorphine
90387-35-2N-Butylnorbuprenorphine (EP Imp H)51634-2101-09Buprenorphine
209963-02-0Norbuprenorphine Hydrochloride (EP Imp B)51634-1048-09Buprenorphine
89663-73-0Tetramethylfuran Buprenorphine (EP Imp I)51634-2125-09Buprenorphine
97203-04-819,19’ Ethenylbuprenorphine (EP Imp F)51634-2164-09Buprenorphine
N/AN-But-3-enynormethylbuprenorphine Base51634-1046-09Buprenorphine
152610-73-67-S-Buprenorphine51634-2227-09Buprenorphine
1044710-08-810-Keto-buprenorphine51634-2217-09Buprenorphine
N/AN-Formylbuprenorphine51634-2225-09Buprenorphine
N/AIsobutylnorbuprenorphine51634-2252-09Buprenorphine
1972-08-3Δ9-Tetrahydrocannabinol (20% in MeOH solution)51634240709Cannabinoid Solids
5957-75-5Δ8-Tetrahydrocannabinol (20% in MeOH solution)51634227609Cannabinoid Solids
95543-62-7Δ10-Tetrahydrocannabinol (cis and trans mixture)51634324009Cannabinoid Solids
27179-28-8Exo-Tetrahydrocannabinol (20% in MeOH solution)51634-2277-09Cannabinoid Solids
27179-28-8Exo-Tetrahydrocannabinol (20% in EtOH solution)51634-2277-09Cannabinoid Solids
874200-77-8Δ9-Tetrahydrocannabinol Naphtoylester51634219909Cannabinoid Solids
874200-76-7Δ8-Tetrahydrocannabinol Naphtoylester51634219809Cannabinoid Solids
N/AExo-Tetrahydrocannabinol Naphtoylester51634223809Cannabinoid Solids
23978-85-0Δ9-Tetrahydrocannabinolic acid (THCA)51634-2187-09Cannabinoid Solids
1972-08-320% (-)-Δ9-Tetrahydrocannabinol in Sesame Oil51634220009Cannabinoid Solids
95588-87-7Δ10-Tetrahydrocannabinol (cis/trans mix)TBDCannabinoid Solids
13956-29-1Cannabidiol (CBD)51634215509Cannabinoid Solids
4219-29-7(+)-Cannabidiol51634227509Cannabinoid Solids
112639-10-84-Monobromo Cannabidiol51634221109Cannabinoid Solids
1244-58-2 Cannabidiolic Acid (CBDA)51634218409Cannabinoid Solids
137252-25-6Cannabiquinone (CBQ)51634221609Cannabinoid Solids
51022-71-0Nabilone51634216209Cannabinoid Solids
56469-10-4Nabilone Impurity 151634224009Cannabinoid Solids
65769-09-7 Nabilone Impurity 251634224109Cannabinoid Solids
56469-15-9Nabilone Impurity 3 (Cis-Nabilone)51634224209Cannabinoid Solids
65863-94-7Nabilone Impurity 451634224309Cannabinoid Solids
61597-37-3Nabilone Impurity 551634224409Cannabinoid Solids
31262-37-0Δ9-Tetrahydrocannabivarin (THCV, 20% Solution in MeOH)51634-2279-09Cannabinoid Solids
31262-37-0Δ9-Tetrahydrocannabivarin (THCV, 20% Solution in EtOH)51634-2279-09Cannabinoid Solids
39986-26-0Δ9-Tetrahydrocannabivarinic acid (THCVA)51634-2188-09Cannabinoid Solids
24274-48-4 (-)-Cannabidivarin (CBDV)51634216609Cannabinoid Solids
31932-13-5Cannabidivarinic Acid (CBDVA)51634218509Cannabinoid Solids
60008-00-6 Δ9-Tetrahydrocannabibutol (THCB, 20% Solution in MeOH)51634228509Cannabinoid Solids
60007-98-9Δ9-Tetrahydrocannabibutolic Acid (THCBA)51634228909Cannabinoid Solids
60113-11-3(-)-Cannabidibutol (CBDB)51634229009Cannabinoid Solids
521-35-7 Cannabinol (CBN)51634215609Cannabinoid Solids
2808-39-1 Cannabinolic Acid (CBNA)51634229309Cannabinoid Solids
25654-31-3Cannabigerol (CBG)51634223109Cannabinoid Solids
55824-11-8 Cannabigerivarin (CBGV)51634229809Cannabinoid Solids
NACannabigerolbutyl (CBGB)51634230409Cannabinoid Solids
64924-07-8 Cannabigerivarinic Acid (CBGVA)51634229909Cannabinoid Solids
25555-57-1Cannabigerolic Acid (CBGA)51634218609Cannabinoid Solids
20675-51-8 Cannabichromene (CBC)51634-2180-09Cannabinoid Solids
185505-15-1Cannabichromenic acid (CBCA)51634-2181-09Cannabinoid Solids
21366-63-2Cannabicyclol (CBL)51634229409Cannabinoid Solids
40524-99-0Cannabicyclolic Acid (CBLA)51634229509Cannabinoid Solids
41808-19-9Cannabichromevarin (CBCV)51634-2181-09Cannabinoid Solids
1628112-69-5Cannabichromevarinic Acid (CBCVA)51634218309Cannabinoid Solids
54763-99-4Tetrahydrocannabiphorol (THCP)51634-2373-09Cannabinoid Solids
55824-13-0Cannabidiphorol (CBDP)51634237609Cannabinoid Solids
31508-71-1Cannabicitran (CBT)51634237509Cannabinoid Solids
1242-67-7Cannabidiol Dimethyl Ether (CBD-OMe)51634233609Cannabinoid Solids
1101886-10-57-Hydroxycannabidiol (7-OH-CBD)51634-2368-09Cannabinoid Solids
1101886-13-87-Carboxycannabidiol (7-COOH-CBD)51634-2367-09Cannabinoid Solids
76735-57-4Cannflavin A51634-2311-09Cannabinoid Solids
NA2,4,6-TribromoolivetolNACannabinoid Solids
500-66-3Olivetol51634-2256-09Cannabinoid Solids
NA4,6-Dibromoolivetol51634-2255-09Cannabinoid Solids
NA4-Bromoolivetol51634-2369-09Cannabinoid Solids
NAIso-D8-THC in Heptane (ID Only)51634-2374-09Cannabinoid Solids

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