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

Apramycin

CAS: 37321-09-8
Formula: C₂₁H₄₁N₅O₁₁
MW: 539.6 g/mol

VQ-029191

Reference Standard

Apramycin Sulfate

CAS: 65710-07-8
Formula: C₂₁H₄₃N₅O₁₅S
MW: 637.7 g/mol

VQ-043770

Reference Standard

Apremilast

CAS: 608141-41-9
Formula: C₂₂H₂₄N₂O₇S
MW: 460.5 g/mol

VQ-007319

Reference Standard

Aprepitant

CAS: 170729-80-3
Formula: C₂₃H₂₁F₇N₄O₃
MW: 534.4 g/mol

In stock

Reference Standard

Arachidic Acid

CAS: 506-30-9
Formula: C₂₀H₄₀O₂
MW: 312.5 g/mol

VQ-032486

Reference Standard

Arbidol Hydrochloride

CAS: 131707-23-8
Formula: C₂₂H₂₆BrClN₂O₃S
MW: 513.9 g/mol

VQ-042753

Reference Standard

Argatroban

CAS: 74863-84-6
Formula: C₂₃H₃₆N₆O₅S
MW: 508.6 g/mol

VQ-024354

Reference Standard

Argatroban Monohydrate

CAS: 141396-28-3
Formula: C₂₃H₃₈N₆O₆S
MW: 526.7 g/mol

VQ-047441

Reference Standard

Argireline

CAS: 616204-22-9
Formula: C₃₅H₆₂N₁₄O₁₁S
MW: 887 g/mol

VQ-043047

Reference Standard

Arimoclomol

CAS: 289893-25-0
Formula: C₁₄H₂₀ClN₃O₃
MW: 313.78 g/mol

VQ-034783

Reference Standard

Arimoclomol Citrate

CAS: 368860-21-3
Formula: C₂₀H₂₈ClN₃O₁₀
MW: 505.9 g/mol

VQ-047447

Reference Standard

Arimoclomol Maleate

CAS: 289893-26-1
Formula: C₁₈H₂₄ClN₃O₇
MW: 429.9 g/mol

VQ-047446

Reference Standard

Aripiprazole

CAS: 129722-12-9
Formula: C₂₃H₂₇Cl₂N₃O₂
MW: 448.4 g/mol

In stock

Reference Standard

Aripiprazole Monohydrate

CAS: 851220-85-4
Formula: C₂₃H₂₉Cl₂N₃O₃
MW: 466.4 g/mol

In stock

Reference Standard

Aristolactam

CAS: 13395-02-3
Formula: C₁₇H₁₁NO₄
MW: 293.27 g/mol

VQ-047452

Reference Standard

Armodafinil

CAS: 112111-43-0
Formula: C₁₅H₁₅NO₂S
MW: 273.4 g/mol

In stock

Reference Standard

Arochlor 1248

CAS: 12672-29-6
Formula: C₁₂H₆Cl₄
MW: 292 g/mol

VQ-038987

Reference Standard

Aroclor 1221

CAS: 11104-28-2
Formula: C₁₂H₉Cl
MW: 188.65 g/mol

VQ-038986

Reference Standard

Aroclor 1254

CAS: 11097-69-1
Formula: C₁₂H₅Cl₅
MW: 326.4 g/mol

VQ-038988

Reference Standard

Arotinolol

CAS: 68377-92-4
Formula: C₁₅H₂₁N₃O₂S₃
MW: 371.5 g/mol

VQ-044679

Reference Standard

Arprinocid

CAS: 55779-18-5
Formula: C₁₂H₉ClFN₅
MW: 277.68 g/mol

VQ-035793

Reference Standard

Arterolane

CAS: 664338-39-0
Formula: C₂₂H₃₆N₂O₄
MW: 392.5 g/mol

VQ-047453

Reference Standard

Arterolane Maleate

CAS: 959520-73-1
Formula: C₂₆H₄₀N₂O₈
MW: 508.6 g/mol

VQ-044234

Reference Standard

Articaine

CAS: 23964-58-1
Formula: C₁₃H₂₀N₂O₃S
MW: 284.38 g/mol

VQ-035797

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API Reference Standards

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