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

Cisapride

CAS: 81098-60-4
Formula: C₂₃H₂₉ClFN₃O₄
MW: 465.9 g/mol

VQ-029824

Reference Standard

Cisatracurium

CAS: 96946-41-7
Formula: C₅₃H₇₂N₂O₁₂⁺2
MW: 929.1 g/mol

VQ-045245

Reference Standard

Cisatracurium besylate

CAS: 96946-42-8
Formula: C₆₅H₈₂N₂O₁₈S₂
MW: 1243.5 g/mol

VQ-029269

Reference Standard

Citalopram

CAS: 59729-33-8
Formula: C₂₀H₂₁FN₂O
MW: 324.4 g/mol

VQ-007393

Reference Standard

Citalopram Hydrobromide Salt

CAS: 59729-32-7
Formula: C₂₀H₂₂BrFN₂O
MW: 405.3 g/mol

In stock

Reference Standard

Citalopram Hydrochloride Salt

CAS: 85118-27-0
Formula: C₂₀H₂₂ClFN₂O
MW: 360.9 g/mol

VQ-007395

Reference Standard

Citalopram oxalate

CAS: 207559-01-1
Formula: C₂₂H₂₃FN₂O₅
MW: 414.4 g/mol

VQ-044369

Reference Standard

Citarinostat

CAS: 1316215-12-9
Formula: C₂₄H₂₆ClN₅O₃
MW: 467.9 g/mol

VQ-047810

Reference Standard

Citrinin

CAS: 518-75-2
Formula: C₁₃H₁₄O₅
MW: 250.25 g/mol

VQ-047812

Reference Standard

Cladribine

CAS: 4291-63-8
Formula: C₁₀H₁₂ClN₅O₃
MW: 285.69 g/mol

VQ-022205

Reference Standard

Clascoterone

CAS: 19608-29-8
Formula: C₂₄H₃₄O₅
MW: 402.5 g/mol

VQ-025002

Reference Standard

Clavulanic Acid

CAS: 58001-44-8
Formula: C₈H₉NO₅
MW: 199.16 g/mol

VQ-041568

Reference Standard

Clazuril

CAS: 101831-36-1
Formula: C₁₇H₁₀Cl₂N₄O₂
MW: 373.2 g/mol

VQ-045246

Reference Standard

Clemastine

CAS: 15686-51-8
Formula: C₂₁H₂₆ClNO
MW: 343.9 g/mol

VQ-036358

Reference Standard

Clemastine Fumarate

CAS: 14976-57-9
Formula: C₂₅H₃₀ClNO₅
MW: 460 g/mol

VQ-022213

Reference Standard

Clenpenterol

CAS: 38339-21-8
Formula: C₁₃H₂₀Cl₂N₂O
MW: 291.21 g/mol

VQ-036362

Reference Standard

Clenpenterol Hydrochloride

CAS: 37158-47-7
Formula: C₁₃H₂₁Cl₃N₂O
MW: 327.7 g/mol

VQ-029839

Reference Standard

Clenproperol

CAS: 38339-11-6
Formula: C₁₁H₁₆Cl₂N₂O
MW: 263.16 g/mol

VQ-036363

Reference Standard

Clerosterol

CAS: 2364-23-0
Formula: C₂₉H₄₈O
MW: 412.7 g/mol

VQ-029840

Reference Standard

Clethodim

CAS: 99129-21-2
Formula: C₁₇H₂₆ClNO₃S
MW: 359.9 g/mol

VQ-029841

Reference Standard

Clidafidine

CAS: 33588-20-4
Formula: C₉H₈Cl₂N₂O
MW: 231.08 g/mol

VQ-044201

Reference Standard

Clidinium Bromide

CAS: 3485-62-9
Formula: C₂₂H₂₆BrNO₃
MW: 432.3 g/mol

VQ-029842

Reference Standard

Climbazole

CAS: 38083-17-9
Formula: C₁₅H₁₇ClN₂O₂
MW: 292.76 g/mol

VQ-036371

Reference Standard

Clindamycin Hydrochloride Monohydrate

CAS: 58207-19-5
Formula: C₁₈H₃₆Cl₂N₂O₆S
MW: 479.5 g/mol

VQ-025011

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API Reference Standards

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