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

Exemestane

CAS: 107868-30-4
Formula: C₂₀H₂₄O₂
MW: 296.4 g/mol

VQ-022615

Reference Standard

Exenatide acetate

CAS: 141732-76-5
Formula: C₁₈₆H₂₈₆N₅₀O₆₂S
MW: 4246.62 g/mol

VQ-037173

Reference Standard

Ezetimibe

CAS: 163222-33-1
Formula: C₂₄H₂₁F₂NO₃
MW: 409.4 g/mol

In stock

Reference Standard

Famciclovir

CAS: 104227-87-4
Formula: C₁₄H₁₉N₅O₄
MW: 321.33 g/mol

VQ-030661

Reference Standard

Famprofazone

CAS: 22881-35-2
Formula: C₂₄H₃₁N₃O
MW: 377.5 g/mol

VQ-048458

Reference Standard

Faropenem

CAS: 106560-14-9
Formula: C₁₂H₁₅NO₅S
MW: 285.32 g/mol

VQ-044636

Reference Standard

Faropenem Sodium

CAS: 122547-49-3
Formula: C₁₂H₁₄NNaO₅S
MW: 307.3 g/mol

VQ-030678

Reference Standard

Faropenem sodium hemipentahydrate

CAS: 158365-51-6
Formula: C₂₄H₃₈N₂Na₂O₁₅S₂
MW: 704.7 g/mol

VQ-037203

Reference Standard

Favipiravir

CAS: 259793-96-9
Formula: C₅H₄FN₃O₂
MW: 157.1 g/mol

VQ-025723

Reference Standard

Febantel

CAS: 58306-30-2
Formula: C₂₀H₂₂N₄O₆S
MW: 446.5 g/mol

VQ-025725

Reference Standard

Febuxostat

CAS: 144060-53-7
Formula: C₁₆H₁₆N₂O₃S
MW: 316.4 g/mol

VQ-007475

Reference Standard

Felbamate

CAS: 25451-15-4
Formula: C₁₁H₁₄N₂O₄
MW: 238.24 g/mol

VQ-030694

Reference Standard

Felbinac

CAS: 5728-52-9
Formula: C₁₄H₁₂O₂
MW: 212.24 g/mol

VQ-030695

Reference Standard

Felodipine

CAS: 72509-76-3
Formula: C₁₈H₁₉Cl₂NO₄
MW: 384.2 g/mol

VQ-025749

Reference Standard

Felypressin

CAS: 56-59-7
Formula: C₄₆H₆₅N₁₃O₁₁S₂
MW: 1040.2 g/mol

VQ-048353

Reference Standard

Fenamiphos

CAS: 22224-92-6
Formula: C₁₃H₂₂NO₃PS
MW: 303.36 g/mol

VQ-039430

Reference Standard

Fenbuconazole

CAS: 114369-43-6
Formula: C₁₉H₁₇ClN₄
MW: 336.8 g/mol

VQ-040860

Reference Standard

Fenbufen

CAS: 36330-85-5
Formula: C₁₆H₁₄O₃
MW: 254.28 g/mol

VQ-037222

Reference Standard

Fenchone

CAS: 1195-79-5
Formula: C₁₀H₁₆O
MW: 152.23 g/mol

VQ-044285

Reference Standard

Fendizoic Acid

CAS: 84627-04-3
Formula: C₂₀H₁₄O₄
MW: 318.3 g/mol

VQ-037997

Reference Standard

Fenebrutinib

CAS: 1434048-34-6
Formula: C₃₇H₄₄N₈O₄
MW: 664.8 g/mol

VQ-037614

Reference Standard

Fenhexamid

CAS: 126833-17-8
Formula: C₁₄H₁₇Cl₂NO₂
MW: 302.2 g/mol

VQ-037224

Reference Standard

Fenitrothion

CAS: 122-14-5
Formula: C₉H₁₂NO₅PS
MW: 277.24 g/mol

VQ-032583

Reference Standard

Fenoldopam

CAS: 67227-56-9
Formula: C₁₆H₁₆ClNO₃
MW: 305.75 g/mol

VQ-037230

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API Reference Standards

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