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

Elacridar

CAS: 143664-11-3
Formula: C₃₄H₃₃N₃O₅
MW: 563.6 g/mol

VQ-036926

Reference Standard

Elafibranor

CAS: 923978-27-2
Formula: C₂₂H₂₄O₄S
MW: 384.5 g/mol

VQ-025498

Reference Standard

Elagolix sodium

CAS: 832720-36-2
Formula: C₃₂H₂₉F₅N₃NaO₅
MW: 653.6 g/mol

VQ-030409

Reference Standard

Elaiophylin

CAS: 37318-06-2
Formula: C₅₄H₈₈O₁₈
MW: 1025.3 g/mol

VQ-030417

Reference Standard

Elbasvir

CAS: 1370468-36-2
Formula: C₄₉H₅₅N₉O₇
MW: 882 g/mol

VQ-030418

Reference Standard

Eldecalcitol

CAS: 104121-92-8
Formula: C₃₀H₅₀O₅
MW: 490.7 g/mol

VQ-030419

Reference Standard

Eldecalcitol (pre-form)

CAS: 201854-22-0
Formula: C₃₀H₅₀O₅
MW: 490.7 g/mol

VQ-025503

Reference Standard

Elemicin

CAS: 487-11-6
Formula: C₁₂H₁₆O₃
MW: 208.25 g/mol

VQ-048164

Reference Standard

Eletriptan

CAS: 143322-58-1
Formula: C₂₂H₂₆N₂O₂S
MW: 382.5 g/mol

In stock

Reference Standard

Eletriptan Hydrobromide Monohydrate

CAS: 273211-28-2
Formula: C₂₂H₂₉BrN₂O₃S
MW: 481.4 g/mol

In stock

Reference Standard

Elexacaftor

CAS: 2216712-66-0
Formula: C₂₆H₃₄F₃N₇O₄S
MW: 597.7 g/mol

VQ-025509

Reference Standard

Eliglustat

CAS: 491833-29-5
Formula: C₂₃H₃₆N₂O₄
MW: 404.5 g/mol

VQ-007450

Reference Standard

Elinzanetant

CAS: 929046-33-3
Formula: C₃₃H₃₅F₇N₄O₃
MW: 668.6 g/mol

VQ-030434

Reference Standard

Elobixibat

CAS: 439087-18-0
Formula: C₃₆H₄₅N₃O₇S₂
MW: 695.9 g/mol

VQ-030441

Reference Standard

Elobixibat hydrate

CAS: 1633824-78-8
Formula: C₃₆H₄₇N₃O₈S₂
MW: 713.9 g/mol

VQ-030442

Reference Standard

Elsulfavirine

CAS: 868046-19-9
Formula: C₂₄H₁₇BrCl₂FN₃O₅S
MW: 629.3 g/mol

VQ-036956

Reference Standard

Eltrombopag

CAS: 496775-61-2
Formula: C₂₅H₂₂N₄O₄
MW: 442.5 g/mol

In stock

Reference Standard

Eltrombopag Choline

CAS: 2336813-25-1
Formula: C₃₀H₃₅N₅O₅
MW: 545.6 g/mol

VQ-048179

Reference Standard

Eluxadoline

CAS: 864821-90-9
Formula: C₃₂H₃₅N₅O₅
MW: 569.6 g/mol

VQ-043149

Reference Standard

Elvitegravir

CAS: 697761-98-1
Formula: C₂₃H₂₃ClFNO₅
MW: 447.9 g/mol

VQ-030448

Reference Standard

Emamectin Benzoate

CAS: 155569-91-8
Formula: C₅₆H₈₁NO₁₅
MW: 1008.2 g/mol

VQ-036965

Reference Standard

Embelin

CAS: 550-24-3
Formula: C₁₇H₂₆O₄
MW: 294.4 g/mol

VQ-048191

Reference Standard

Emedastine Difumarate

CAS: 87233-62-3
Formula: C₂₅H₃₄N₄O₉
MW: 534.6 g/mol

VQ-025520

Reference Standard

Emivirine

CAS: 149950-60-7
Formula: C₁₇H₂₂N₂O₃
MW: 302.37 g/mol

VQ-048192

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API Reference Standards

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