How many api reference standards do you supply?

We currently list 583 api reference standards, such as Digoxin, Doxepin, Estriol. We can also source or custom-synthesise items that are not listed.

Do api reference standards come with a COA and SDS?

Yes. Each lot is supplied with a batch Certificate of Analysis and a 16-section GHS Safety Data Sheet. Typical COAs can be shared before you order.

Can you export api reference standards to my country?

Yes. We ship worldwide by sea freight, air cargo and express courier, with export documentation, and pack hazardous materials to IATA/IMDG dangerous-goods rules.

Impurities & Reference Standards

API Reference Standards

583 api reference standards with CAS numbers, structures and specifications — batch COA and GHS SDS supplied.

3,436products

377in stock

COA + SDSwith every lot

Reference Standard

Berberine

CAS: 2086-83-1
Formula: C₂₀H₁₈NO₄⁺
MW: 336.4 g/mol

VQ-035948

Reference Standard

Berberine Sulfate

CAS: 316-41-6
Formula: C₂₀H₁₈NO₈S-
MW: 432.4 g/mol

VQ-035947

Reference Standard

Berotralstat

CAS: 1809010-50-1
Formula: C₃₀H₂₆F₄N₆O
MW: 562.6 g/mol

VQ-021792

Reference Standard

Besifloxacin

CAS: 141388-76-3
Formula: C₁₉H₂₁ClFN₃O₃
MW: 393.8 g/mol

VQ-021793

Reference Standard

Besifloxacin Hydrochloride

CAS: 405165-61-9
Formula: C₁₉H₂₂Cl₂FN₃O₃
MW: 430.3 g/mol

VQ-021794

Reference Standard

beta-Amyrin

CAS: 559-70-6
Formula: C₃₀H₅₀O
MW: 426.7 g/mol

VQ-039086

Reference Standard

Beta-Ergocryptinine

CAS: 19467-61-9
Formula: C₃₂H₄₁N₅O₅
MW: 575.7 g/mol

VQ-040878

Reference Standard

Beta-Escin

CAS: 11072-93-8
Formula: C₅₅H₈₆O₂₄
MW: 1131.3 g/mol

VQ-030545

Reference Standard

Beta-Muricholic Acid

CAS: 2393-59-1
Formula: C₂₄H₄₀O₅
MW: 408.6 g/mol

VQ-047743

Reference Standard

Betahistine

CAS: 5638-76-6
Formula: C₈H₁₂N₂
MW: 136.19 g/mol

VQ-024564

Reference Standard

Betahistine dihydrochloride

CAS: 5579-84-0
Formula: C₈H₁₄Cl₂N₂
MW: 209.11 g/mol

VQ-021796

Reference Standard

Betahistine Hydrochloride

CAS: 15430-48-5
Formula: C₈H₁₃ClN₂
MW: 172.65 g/mol

VQ-034794

Reference Standard

Betaine Citrate

CAS: 17671-50-0
Formula: C₁₁H₁₉NO₉
MW: 309.27 g/mol

VQ-047567

Reference Standard

Betaine Hydrochloride

CAS: 590-46-5
Formula: C₅H₁₂ClNO₂
MW: 153.61 g/mol

VQ-024567

Reference Standard

Betalamic Acid

CAS: 18766-66-0
Formula: C₉H₉NO₅
MW: 211.17 g/mol

VQ-040445

Reference Standard

Betamethasone Dipropionate

CAS: 5593-20-4
Formula: C₂₈H₃₇FO₇
MW: 504.6 g/mol

VQ-020927

Reference Standard

Betamethasone phosphate

CAS: 360-63-4
Formula: C₂₂H₃₀FO₈P
MW: 472.4 g/mol

VQ-020949

Reference Standard

Betamethasone Sodium Phosphate

CAS: 151-73-5
Formula: C₂₂H₂₈FNa₂O₈P
MW: 516.4 g/mol

VQ-020681

Reference Standard

Betamethasone valerate

CAS: 2152-44-5
Formula: C₂₇H₃₇FO₆
MW: 476.6 g/mol

VQ-020928

Reference Standard

Betanin

CAS: 7659-95-2
Formula: C₂₄H₂₆N₂O₁₃
MW: 550.5 g/mol

VQ-040320

Reference Standard

Betaxolol

CAS: 63659-18-7
Formula: C₁₈H₂₉NO₃
MW: 307.4 g/mol

VQ-035347

Reference Standard

Betaxolol Hydrochloride

CAS: 63659-19-8
Formula: C₁₈H₃₀ClNO₃
MW: 343.9 g/mol

VQ-024570

Reference Standard

Bethanechol Chloride

CAS: 590-63-6
Formula: C₇H₁₇ClN₂O₂
MW: 196.67 g/mol

VQ-029419

Reference Standard

Betrixaban

CAS: 330942-05-7
Formula: C₂₃H₂₂ClN₅O₃
MW: 451.9 g/mol

VQ-021815

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API Reference Standards

Need a price, a spec or a custom compound?