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

Cysteine Hydrochloride Monohydrate

CAS: 7048-04-6
Formula: C₃H₁₀ClNO₃S
MW: 175.64 g/mol

In stock

Reference Standard

Cytarabine

CAS: 147-94-4
Formula: C₉H₁₃N₃O₅
MW: 243.22 g/mol

VQ-022287

Reference Standard

D-Allethrin

CAS: 231937-89-6
Formula: C₁₉H₂₆O₃
MW: 302.4 g/mol

VQ-043067

Reference Standard

D-Amphetamine

CAS: 51-64-9
Formula: C₉H₁₃N
MW: 135.21 g/mol

VQ-038081

Reference Standard

D-Carnitine

CAS: 541-14-0
Formula: C₇H₁₅NO₃
MW: 161.2 g/mol

VQ-032342

Reference Standard

D-Citrulline

CAS: 13594-51-9
Formula: C₆H₁₃N₃O₃
MW: 175.19 g/mol

VQ-040223

Reference Standard

D-Erythronolactone

CAS: 15667-21-7
Formula: C₄H₆O₄
MW: 118.09 g/mol

VQ-040352

Reference Standard

D-Erythrulose

CAS: 496-55-9
Formula: C₄H₈O₄
MW: 120.1 g/mol

VQ-040650

Reference Standard

D-Glucamine

CAS: 488-43-7
Formula: C₆H₁₅NO₅
MW: 181.19 g/mol

VQ-032977

Reference Standard

D-Limonene (Orange Oil)

CAS: 8028-48-6
Formula: C₁₅H₂₂O
MW: 218.33 g/mol

VQ-038896

Reference Standard

D-Lysine

CAS: 923-27-3
Formula: C₆H₁₄N₂O₂
MW: 146.19 g/mol

VQ-040427

Reference Standard

D-Penicillamine

CAS: 52-67-5
Formula: C₅H₁₁NO₂S
MW: 149.21 g/mol

VQ-027425

Reference Standard

Dabigatran

CAS: 211914-51-1
Formula: C₂₅H₂₅N₇O₃
MW: 471.5 g/mol

In stock

Reference Standard

Dabigatran Hydrochloride

CAS: 1936413-83-0
Formula: C₂₅H₂₆ClN₇O₃
MW: 508 g/mol

VQ-007403

Reference Standard

Dabrafenib

CAS: 1195765-45-7
Formula: C₂₃H₂₀F₃N₅O₂S₂
MW: 519.6 g/mol

In stock

Reference Standard

Dacarbazine

CAS: 4342-03-4
Formula: C₆H₁₀N₆O
MW: 182.18 g/mol

VQ-029993

Reference Standard

Daclatasvir

CAS: 1009119-64-5
Formula: C₄₀H₅₀N₈O₆
MW: 738.9 g/mol

VQ-025154

Reference Standard

Daclatasvir Dihydrochloride

CAS: 1009119-65-6
Formula: C₄₀H₅₂Cl₂N₈O₆
MW: 811.8 g/mol

VQ-029996

Reference Standard

Dacomitinib

CAS: 1110813-31-4
Formula: C₂₄H₂₅ClFN₅O₂
MW: 469.9 g/mol

In stock

Reference Standard

DAF-FM DA (cell permeable)

CAS: 254109-22-3
Formula: C₂₅H₁₈F₂N₂O₇
MW: 496.4 g/mol

VQ-040488

Reference Standard

Dalargin

CAS: 81733-79-1
Formula: C₃₅H₅₁N₉O₈
MW: 725.8 g/mol

VQ-030004

Reference Standard

Dalbavancin

CAS: 171500-79-1
Formula: C₈₈H₁₀₀Cl₂N₁₀O₂₈
MW: 1816.7 g/mol

VQ-030005

Reference Standard

Dalbavancin Hydrochloride

CAS: 2227366-51-8
Formula: C₈₈H₁₀₁Cl₃N₁₀O₂₈
MW: 1853.15 g/mol

VQ-030008

Reference Standard

Dammarenolic Acid

CAS: 34336-09-9
Formula: C₃₀H₅₀O₃
MW: 458.7 g/mol

VQ-040178

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API Reference Standards

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