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

Balsalazide disodium dihydrate

CAS: 150399-21-6
Formula: C₁₇H₁₇N₃Na₂O₈
MW: 437.3 g/mol

VQ-024492

Reference Standard

Bambuterol

CAS: 81732-65-2
Formula: C₁₈H₂₉N₃O₅
MW: 367.4 g/mol

VQ-043678

Reference Standard

Bamethane hemisulfate

CAS: 5716-20-1
Formula: C₂₄H₄₀N₂O₈S
MW: 516.6 g/mol

VQ-035910

Reference Standard

Bamifylline Hydrochloride

CAS: 20684-06-4
Formula: C₂₀H₂₈ClN₅O₃
MW: 421.9 g/mol

VQ-024495

Reference Standard

Baricitinib WS

CAS: 1187594-09-7
Formula: C₁₆H₁₇N₇O₂S
MW: 371.4 g/mol

In stock

Reference Standard

Barnidipine

CAS: 104713-75-9
Formula: C₂₇H₂₉N₃O₆
MW: 491.5 g/mol

VQ-044826

Reference Standard

Barnidipine Hydrochloride

CAS: 104757-53-1
Formula: C₂₇H₃₀ClN₃O₆
MW: 528 g/mol

VQ-024501

Reference Standard

Basifungin

CAS: 127785-64-2
Formula: C₆₀H₉₂N₈O₁₁
MW: 1101.4 g/mol

VQ-041049

Reference Standard

Bazedoxifene

CAS: 198481-32-2
Formula: C₃₀H₃₄N₂O₃
MW: 470.6 g/mol

In stock

Reference Standard

Bazedoxifene acetate

CAS: 198481-33-3
Formula: C₃₂H₃₈N₂O₅
MW: 530.7 g/mol

VQ-029357

Reference Standard

Bedaquiline

CAS: 843663-66-1
Formula: C₃₂H₃₁BrN₂O₂
MW: 555.5 g/mol

VQ-024506

Reference Standard

Bedaquiline fumarate

CAS: 845533-86-0
Formula: C₃₆H₃₅BrN₂O₆
MW: 671.6 g/mol

VQ-021745

Reference Standard

Behenamide

CAS: 3061-75-4
Formula: C₂₂H₄₅NO
MW: 339.6 g/mol

VQ-040022

Reference Standard

Belinostat

CAS: 866323-14-0
Formula: C₁₅H₁₄N₂O₄S
MW: 318.3 g/mol

VQ-024512

Reference Standard

Belumosudil

CAS: 911417-87-3
Formula: C₂₆H₂₄N₆O₂
MW: 452.5 g/mol

VQ-007333

Reference Standard

Belumosudil Mesylate

CAS: 2109704-99-4
Formula: C₂₇H₂₈N₆O₅S
MW: 548.6 g/mol

In stock

Reference Standard

Belzutifan

CAS: 1672668-24-4
Formula: C₁₇H₁₂F₃NO₄S
MW: 383.3 g/mol

VQ-007335

Reference Standard

Bempedoic Acid

CAS: 738606-46-7
Formula: C₁₉H₃₆O₅
MW: 344.5 g/mol

In stock

Reference Standard

Benazepril

CAS: 86541-75-5
Formula: C₂₄H₂₈N₂O₅
MW: 424.5 g/mol

VQ-007337

Reference Standard

Benazepril Hydrochloride

CAS: 86541-74-4
Formula: C₂₄H₂₉ClN₂O₅
MW: 460.9 g/mol

In stock

Reference Standard

Bendamustine

CAS: 16506-27-7
Formula: C₁₆H₂₁Cl₂N₃O₂
MW: 358.3 g/mol

VQ-007339

Reference Standard

Bendamustine Hydrochloride

CAS: 3543-75-7
Formula: C₁₆H₂₂Cl₃N₃O₂
MW: 394.7 g/mol

In stock

Reference Standard

Bendamustine Hydrochloride Monohydrate

CAS: 1374784-02-7
Formula: C₁₆H₂₄Cl₃N₃O₃
MW: 412.7 g/mol

VQ-047544

Reference Standard

Bendroflumethiazide

CAS: 73-48-3
Formula: C₁₅H₁₄F₃N₃O₄S₂
MW: 421.4 g/mol

VQ-020919

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API Reference Standards

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