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

Abietic Acid

CAS: 514-10-3
Formula: C₂₀H₃₀O₂
MW: 302.5 g/mol

VQ-024106

Reference Standard

Abiraterone

CAS: 154229-19-3
Formula: C₂₄H₃₁NO
MW: 349.5 g/mol

In stock

Reference Standard

Abiraterone Acetate

CAS: 154229-18-2
Formula: C₂₆H₃₃NO₂
MW: 391.5 g/mol

In stock

Reference Standard

Abiraterone propionate

CAS: 1620323-43-4
Formula: C₂₇H₃₅NO₂
MW: 405.6 g/mol

VQ-021381

Reference Standard

Abiraterone Sulfate

CAS: 1993430-25-3
Formula: C₂₄H₃₁NO₄S
MW: 429.6 g/mol

VQ-045236

Reference Standard

Abrocitinib

CAS: 1622902-68-4
Formula: C₁₄H₂₁N₅O₂S
MW: 323.42 g/mol

VQ-024118

Reference Standard

Acacetin

CAS: 480-44-4
Formula: C₁₆H₁₂O₅
MW: 284.26 g/mol

VQ-039467

Reference Standard

Acalabrutinib Maleate Monohydrate

CAS: 2641500-53-8
Formula: C₃₀H₂₉N₇O₇
MW: 599.6 g/mol

VQ-035578

Reference Standard

Acalabrutinib WS

CAS: 1420477-60-6
Formula: C₂₆H₂₃N₇O₂
MW: 465.5 g/mol

In stock

Reference Standard

Acamprosate

CAS: 77337-76-9
Formula: C₅H₁₁NO₄S
MW: 181.21 g/mol

VQ-028922

Reference Standard

Acamprosate calcium

CAS: 77337-73-6
Formula: C₁₀H₂₀CaN₂O₈S₂
MW: 400.5 g/mol

VQ-021394

Reference Standard

Acebutolol Hydrochloride

CAS: 34381-68-5
Formula: C₁₈H₂₉ClN₂O₄
MW: 372.9 g/mol

VQ-021399

Reference Standard

Aceclofenac WS

CAS: 89796-99-6
Formula: C₁₆H₁₃Cl₂NO₄
MW: 354.2 g/mol

In stock

Reference Standard

Acemetacin

CAS: 53164-05-9
Formula: C₂₁H₁₈ClNO₆
MW: 415.8 g/mol

VQ-021413

Reference Standard

Acepromazine

CAS: 61-00-7
Formula: C₁₉H₂₂N₂OS
MW: 326.5 g/mol

VQ-029003

Reference Standard

Acepromazine Maleate

CAS: 3598-37-6
Formula: C₂₃H₂₆N₂O₅S
MW: 442.5 g/mol

VQ-024129

Reference Standard

Acesulfame

CAS: 33665-90-6
Formula: C₄H₅NO₄S
MW: 163.15 g/mol

VQ-035584

Reference Standard

Acetamiprid

CAS: 135410-20-7
Formula: C₁₀H₁₁ClN₄
MW: 222.67 g/mol

VQ-035586

Reference Standard

Acetamiprid

CAS: 160430-64-8
Formula: C₁₀H₁₁ClN₄
MW: 222.67 g/mol

VQ-038903

Reference Standard

Acetochlor

CAS: 34256-82-1
Formula: C₁₄H₂₀ClNO₂
MW: 269.77 g/mol

VQ-045181

Reference Standard

Acetophenazine

CAS: 2751-68-0
Formula: C₂₃H₂₉N₃O₂S
MW: 411.6 g/mol

VQ-047309

Reference Standard

Acetoside

CAS: 61276-17-3
Formula: C₂₉H₃₆O₁₅
MW: 624.6 g/mol

VQ-039148

Reference Standard

Acetyllovastatin

CAS: 81189-92-6
Formula: C₂₆H₃₈O₆
MW: 446.6 g/mol

VQ-038165

Reference Standard

Acipimox

CAS: 51037-30-0
Formula: C₆H₆N₂O₃
MW: 154.12 g/mol

VQ-035597

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API Reference Standards

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