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

Emodepside

CAS: 155030-63-0
Formula: C₆₀H₉₀N₆O₁₄
MW: 1119.4 g/mol

VQ-036966

Reference Standard

Emoxypine Succinate

CAS: 127464-43-1
Formula: C₁₂H₁₇NO₅
MW: 255.27 g/mol

VQ-030449

Reference Standard

Empagliflozin WS

CAS: 864070-44-0
Formula: C₂₃H₂₇ClO₇
MW: 450.9 g/mol

In stock

Reference Standard

Emrusolmin

CAS: 882697-00-9
Formula: C₁₆H₁₁BrN₂O₂
MW: 343.17 g/mol

VQ-038826

Reference Standard

Emtricitabine WS

CAS: 143491-57-0
Formula: C₈H₁₀FN₃O₃S
MW: 247.25 g/mol

In stock

Reference Standard

Enalapril

CAS: 75847-73-3
Formula: C₂₀H₂₈N₂O₅
MW: 376.4 g/mol

VQ-007454

Reference Standard

Enalapril Maleate WS

CAS: 76095-16-4
Formula: C₂₄H₃₂N₂O₉
MW: 492.5 g/mol

In stock

Reference Standard

Enarodustat

CAS: 1262132-81-9
Formula: C₁₇H₁₆N₄O₄
MW: 340.33 g/mol

VQ-036986

Reference Standard

Enasidenib

CAS: 1446502-11-9
Formula: C₁₉H₁₇F₆N₇O
MW: 473.4 g/mol

VQ-036987

Reference Standard

Enavogliflozin

CAS: 1415472-28-4
Formula: C₂₄H₂₇ClO₆
MW: 446.9 g/mol

VQ-048209

Reference Standard

Encainide

CAS: 66778-36-7
Formula: C₂₂H₂₈N₂O₂
MW: 352.5 g/mol

VQ-048210

Reference Standard

Enclomiphene Citrate

CAS: 7599-79-3
Formula: C₃₂H₃₆ClNO₈
MW: 598.1 g/mol

VQ-036391

Reference Standard

Encorafenib

CAS: 1269440-17-6
Formula: C₂₂H₂₇ClFN₇O₄S
MW: 540 g/mol

In stock

Reference Standard

Endosulfan Sulfate

CAS: 1031-07-8
Formula: C₉H₆Cl₆O₄S
MW: 422.9 g/mol

VQ-038947

Reference Standard

Endotoxin

CAS: 67924-63-4

VQ-048214

Reference Standard

Endoxifen (E/Z Mixture)

CAS: 110025-28-0
Formula: C₂₅H₂₇NO₂
MW: 373.5 g/mol

VQ-042621

Reference Standard

Endoxifen citrate

CAS: 1372937-28-4
Formula: C₃₁H₃₅NO₉
MW: 565.61 g/mol

VQ-036990

Reference Standard

Endrin

CAS: 72-20-8
Formula: C₁₂H₈Cl₆O
MW: 380.9 g/mol

VQ-036991

Reference Standard

Enduracidin - ca. 8%

CAS: 11115-82-5
Formula: C₁₀₇H₁₄₀Cl₂N₂₆O₃₂
MW: 2373.3 g/mol

VQ-036994

Reference Standard

Enoxacin

CAS: 74011-58-8
Formula: C₁₅H₁₇FN₄O₃
MW: 320.32 g/mol

VQ-036995

Reference Standard

Enoxacin Sesquihydrate

CAS: 84294-96-2
Formula: C₃₀H₄₀F₂N₈O₉
MW: 694.7 g/mol

VQ-048215

Reference Standard

Enoxaparin sodium

CAS: 679809-58-6
Formula: C₄₂H₅₉N₃Na₄O₃₅S₂
MW: 1322.01 g/mol

VQ-036996

Reference Standard

Enrofloxacin

CAS: 93106-60-6
Formula: C₁₉H₂₂FN₃O₃
MW: 359.4 g/mol

VQ-022520

Reference Standard

Ensifentrine

CAS: 1884461-72-6
Formula: C₂₆H₃₁N₅O₄
MW: 477.6 g/mol

VQ-030483

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API Reference Standards

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