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

Ethotoin

CAS: 86-35-1
Formula: C₁₁H₁₂N₂O₂
MW: 204.22 g/mol

VQ-043543

Reference Standard

Ethoxyquine

CAS: 91-53-2
Formula: C₁₄H₁₉NO
MW: 217.31 g/mol

VQ-040000

Reference Standard

Ethyl Isonipecotate

CAS: 1126-09-6
Formula: C₈H₁₅NO₂
MW: 157.21 g/mol

VQ-038944

Reference Standard

Ethylhexyl Triazone

CAS: 88122-99-0
Formula: C₄₈H₆₆N₆O₆
MW: 823.1 g/mol

VQ-030610

Reference Standard

Ethynodiol Diacetate

CAS: 297-76-7
Formula: C₂₄H₃₂O₄
MW: 384.5 g/mol

VQ-032208

Reference Standard

Etidronate Disodium

CAS: 7414-83-7
Formula: C₂H₆Na₂O₇P₂
MW: 249.99 g/mol

VQ-037142

Reference Standard

Etidronic Acid

CAS: 2809-21-4
Formula: C₂H₈O₇P₂
MW: 206.03 g/mol

VQ-039628

Reference Standard

Etifoxine

CAS: 21715-46-8
Formula: C₁₇H₁₇ClN₂O
MW: 300.8 g/mol

VQ-030616

Reference Standard

Etifoxine Hydrochloride

CAS: 56776-32-0
Formula: C₁₇H₁₈Cl₂N₂O
MW: 337.2 g/mol

VQ-030612

Reference Standard

Etilefrin

CAS: 709-55-7
Formula: C₁₀H₁₅NO₂
MW: 181.23 g/mol

VQ-043168

Reference Standard

Etilefrine hydrochloride

CAS: 943-17-9
Formula: C₁₀H₁₆ClNO₂
MW: 217.69 g/mol

VQ-030617

Reference Standard

Etofenamate

CAS: 30544-47-9
Formula: C₁₈H₁₈F₃NO₄
MW: 369.3 g/mol

VQ-022595

Reference Standard

Etofenamate Palmitate

CAS: 81427-95-4
Formula: C₃₄H₄₈F₃NO₅
MW: 607.7 g/mol

VQ-048314

Reference Standard

Etofenprox

CAS: 80844-07-1
Formula: C₂₅H₂₈O₃
MW: 376.5 g/mol

VQ-032669

Reference Standard

Etomidate

CAS: 33125-97-2
Formula: C₁₄H₁₆N₂O₂
MW: 244.29 g/mol

VQ-025664

Reference Standard

Etrasimod

CAS: 1206123-37-6
Formula: C₂₆H₂₆F₃NO₃
MW: 457.5 g/mol

VQ-007473

Reference Standard

Etravirine

CAS: 269055-15-4
Formula: C₂₀H₁₅BrN₆O
MW: 435.3 g/mol

VQ-030632

Reference Standard

Europine

CAS: 570-19-4
Formula: C₁₆H₂₇NO₆
MW: 329.39 g/mol

VQ-037166

Reference Standard

Eurycomanone

CAS: 84633-29-4
Formula: C₂₀H₂₄O₉
MW: 408.4 g/mol

VQ-039592

Reference Standard

Evenamide

CAS: 1092977-61-1
Formula: C₁₆H₂₆N₂O₂
MW: 278.39 g/mol

VQ-037167

Reference Standard

Evobrutinib

CAS: 1415823-73-2
Formula: C₂₅H₂₇N₅O₂
MW: 429.5 g/mol

VQ-031120

Reference Standard

Evocalcet

CAS: 870964-67-3
Formula: C₂₄H₂₆N₂O₂
MW: 374.5 g/mol

VQ-030645

Reference Standard

Evogliptin

CAS: 1222102-29-5
Formula: C₁₉H₂₆F₃N₃O₃
MW: 401.4 g/mol

VQ-025685

Reference Standard

Evogliptin Tartrate

CAS: 1222102-51-3
Formula: C₂₃H₃₂F₃N₃O₉
MW: 551.5 g/mol

VQ-030646

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API Reference Standards

Need a price, a spec or a custom compound?