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

Aleuritic acid

CAS: 533-87-9
Formula: C₁₆H₃₂O₅
MW: 304.42 g/mol

VQ-039795

Reference Standard

Alfacalcidol

CAS: 41294-56-8
Formula: C₂₇H₄₄O₂
MW: 400.6 g/mol

VQ-021484

Reference Standard

Alfaxalone

CAS: 23930-19-0
Formula: C₂₁H₃₂O₃
MW: 332.5 g/mol

VQ-029058

Reference Standard

Alfuzosin

CAS: 81403-80-7
Formula: C₁₉H₂₇N₅O₄
MW: 389.4 g/mol

VQ-035653

Reference Standard

Alfuzosin Hydrochloride

CAS: 81403-68-1
Formula: C₁₉H₂₈ClN₅O₄
MW: 425.9 g/mol

VQ-021487

Reference Standard

Algestone

CAS: 595-77-7
Formula: C₂₁H₃₀O₄
MW: 346.5 g/mol

VQ-027642

Reference Standard

Algestone Dihydrochloride

CAS: 895141-55-6
Formula: C₂₁H₃₀O₄: 2(HCl)

VQ-045239

Reference Standard

Alimemazine

CAS: 84-96-8
Formula: C₁₈H₂₂N₂S
MW: 298.4 g/mol

VQ-035036

Reference Standard

Alimemazine Tartrate

CAS: 1175-88-8
Formula: C₂₂H₂₈N₂O₆S
MW: 448.5 g/mol

VQ-045240

Reference Standard

Aliskiren Hemifumarate

CAS: 173334-58-2
Formula: C₆₄H₁₁₀N₆O₁₆
MW: 1219.6 g/mol

VQ-029061

Reference Standard

Alizapride

CAS: 59338-93-1
Formula: C₁₆H₂₁N₅O₂
MW: 315.37 g/mol

VQ-043520

Reference Standard

Alizapride Hydrochloride

CAS: 59338-87-3
Formula: C₁₆H₂₂ClN₅O₂
MW: 351.8 g/mol

VQ-035657

Reference Standard

Allethrin

CAS: 584-79-2
Formula: C₁₉H₂₆O₃
MW: 302.4 g/mol

VQ-038911

Reference Standard

Allicin

CAS: 539-86-6
Formula: C₆H₁₀OS₂
MW: 162.3 g/mol

VQ-029064

Reference Standard

Allobarbital

CAS: 52-43-7
Formula: C₁₀H₁₂N₂O₃
MW: 208.21 g/mol

VQ-047364

Reference Standard

Almorexant Hydrochloride

CAS: 913358-93-7
Formula: C₂₉H₃₂ClF₃N₂O₃
MW: 549 g/mol

VQ-047366

Reference Standard

Almotriptan

CAS: 154323-57-6
Formula: C₁₇H₂₅N₃O₂S
MW: 335.5 g/mol

VQ-021499

Reference Standard

Almotriptan Maleate

CAS: 181183-52-8
Formula: C₂₁H₃₁N₃O₇S
MW: 469.6 g/mol

VQ-021500

Reference Standard

Alogliptin

CAS: 850649-61-5
Formula: C₁₈H₂₁N₅O₂
MW: 339.4 g/mol

VQ-024206

Reference Standard

Alosetron

CAS: 122852-42-0
Formula: C₁₇H₁₈N₄O
MW: 294.35 g/mol

VQ-044082

Reference Standard

Alosetron hydrochloride

CAS: 122852-69-1
Formula: C₁₇H₁₉ClN₄O
MW: 330.8 g/mol

VQ-043038

Reference Standard

Alpha-Chaconine

CAS: 20562-03-2
Formula: C₄₅H₇₃NO₁₄
MW: 852.1 g/mol

VQ-040743

Reference Standard

Alpha-Methyl-L-tyrosine

CAS: 672-87-7
Formula: C₁₀H₁₃NO₃
MW: 195.21 g/mol

VQ-034479

Reference Standard

Alpha-Muricholic acid

CAS: 2393-58-0
Formula: C₂₄H₄₀O₅
MW: 408.6 g/mol

VQ-047742

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API Reference Standards

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