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

alpha-Solanine

CAS: 20562-02-1
Formula: C₄₅H₇₃NO₁₅
MW: 868.1 g/mol

VQ-039744

Reference Standard

Alprenolol Hydrochloride

CAS: 13707-88-5
Formula: C₁₅H₂₄ClNO₂
MW: 285.81 g/mol

VQ-020773

Reference Standard

Alprostadil

CAS: 745-65-3
Formula: C₂₀H₃₄O₅
MW: 354.5 g/mol

VQ-021511

Reference Standard

Alternariol

CAS: 641-38-3
Formula: C₁₄H₁₀O₅
MW: 258.23 g/mol

VQ-032883

Reference Standard

Altretamine

CAS: 645-05-6
Formula: C₉H₁₈N₆
MW: 210.28 g/mol

VQ-024214

Reference Standard

Alverine

CAS: 150-59-4
Formula: C₂₀H₂₇N
MW: 281.4 g/mol

VQ-028902

Reference Standard

Alverine Citrate

CAS: 5560-59-8
Formula: C₂₆H₃₅NO₇
MW: 473.6 g/mol

VQ-024216

Reference Standard

Alvimopan

CAS: 156053-89-3
Formula: C₂₅H₃₂N₂O₄
MW: 424.5 g/mol

VQ-029079

Reference Standard

Alvimopan (dihydrate)

CAS: 170098-38-1
Formula: C₂₅H₃₆N₂O₆
MW: 460.6 g/mol

VQ-024220

Reference Standard

Amantadine Sulfate

CAS: 31377-23-8
Formula: C₂₀H₃₆N₂O₄S
MW: 400.6 g/mol

VQ-038303

Reference Standard

Amaranthin

CAS: 15167-84-7
Formula: C₃₀H₃₄N₂O₁₉
MW: 726.6 g/mol

VQ-041072

Reference Standard

Ambazone

CAS: 539-21-9
Formula: C₈H₁₁N₇S
MW: 237.29 g/mol

VQ-040722

Reference Standard

Ambrisentan

CAS: 177036-94-1
Formula: C₂₂H₂₂N₂O₄
MW: 378.4 g/mol

VQ-021528

Reference Standard

Ambroxol

CAS: 18683-91-5
Formula: C₁₃H₁₈Br₂N₂O
MW: 378.1 g/mol

In stock

Reference Standard

Ambroxol Hydrochloride

CAS: 23828-92-4
Formula: C₁₃H₁₉Br₂ClN₂O
MW: 414.56 g/mol

In stock

Reference Standard

Amenamevir

CAS: 841301-32-4
Formula: C₂₄H₂₆N₄O₅S
MW: 482.6 g/mol

VQ-044709

Reference Standard

Ametryn

CAS: 834-12-8
Formula: C₉H₁₇N₅S
MW: 227.33 g/mol

VQ-035676

Reference Standard

Amfenac

CAS: 51579-82-9
Formula: C₁₅H₁₃NO₃
MW: 255.27 g/mol

VQ-034952

Reference Standard

Amidotrizoic Acid

CAS: 117-96-4
Formula: C₁₁H₉I₃N₂O₄
MW: 613.91 g/mol

VQ-029097

Reference Standard

Amifampridine

CAS: 54-96-6
Formula: C₅H₇N₃
MW: 109.13 g/mol

VQ-024234

Reference Standard

Amifampridine Phosphate

CAS: 446254-47-3
Formula: C₅H₁₀N₃O₄P
MW: 207.12 g/mol

VQ-029098

Reference Standard

Amifostine

CAS: 20537-88-6
Formula: C₅H₁₅N₂O₃PS
MW: 214.23 g/mol

VQ-034953

Reference Standard

Amifostine Trihydrate

CAS: 112901-68-5
Formula: C₅H₂₁N₂O₆PS
MW: 268.27 g/mol

VQ-043454

Reference Standard

Amikacin sulfate salt

CAS: 149022-22-0
Formula: C₂₂H₄₅N₅O₁₇S
MW: 683.7 g/mol

VQ-035680

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API Reference Standards

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