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

Nandrolone Decanoate

CAS: 360-70-3
Formula: C₂₈H₄₄O₃
MW: 428.6 g/mol

VQ-026830

Reference Standard

Naphazoline

CAS: 835-31-4
Formula: C₁₄H₁₄N₂
MW: 210.27 g/mol

VQ-035348

Reference Standard

Naphazoline Nitrate

CAS: 5144-52-5
Formula: C₁₄H₁₅N₃O₃
MW: 273.29 g/mol

VQ-032064

Reference Standard

Naproxen

CAS: 22204-53-1
Formula: C₁₄H₁₄O₃
MW: 230.26 g/mol

In stock

Reference Standard

Naproxen Sodium Salt

CAS: 26159-34-2
Formula: C₁₄H₁₃NaO₃
MW: 252.24 g/mol

VQ-007602

Reference Standard

Narasin

CAS: 55134-13-9
Formula: C₄₃H₇₂O₁₁
MW: 765 g/mol

VQ-032877

Reference Standard

Naratriptan Hydrobromide

CAS: 1189349-28-7
Formula: C₁₇H₂₅N₃O₂S.xBrH
MW: 416.4 g/mol

VQ-007603

Reference Standard

Naratriptan Hydrochloride

CAS: 143388-64-1
Formula: C₁₇H₂₆ClN₃O₂S
MW: 371.9 g/mol

In stock

Reference Standard

Naratriptan WS

CAS: 121679-13-8
Formula: C₁₇H₂₅N₃O₂S
MW: 335.5 g/mol

VQ-007605

Reference Standard

Naringenin

CAS: 480-41-1
Formula: C₁₅H₁₂O₅
MW: 272.25 g/mol

VQ-026836

Reference Standard

Narirutin

CAS: 14259-46-2
Formula: C₂₇H₃₂O₁₄
MW: 580.5 g/mol

VQ-026837

Reference Standard

Nateglinide

CAS: 105816-04-4
Formula: C₁₉H₂₇NO₃
MW: 317.4 g/mol

In stock

Reference Standard

Navitoclax

CAS: 923564-51-6
Formula: C₄₇H₅₅ClF₃N₅O₆S₃
MW: 974.6 g/mol

VQ-049199

Reference Standard

Neamine Hydrochloride

CAS: 15446-43-2
Formula: C₁₂H₃₀Cl₄N₄O₆
MW: 468.2 g/mol

VQ-032097

Reference Standard

Nebivolol

CAS: 118457-14-0
Formula: C₂₂H₂₅F₂NO₄
MW: 405.4 g/mol

VQ-023219

Reference Standard

Nebrosamine Dihydrochloride

CAS: 111170-72-0
Formula: C₆H₁₆Cl₂N₂O₃
MW: 235.11 g/mol

VQ-043667

Reference Standard

Nedocromil

CAS: 69049-73-6
Formula: C₁₉H₁₇NO₇
MW: 371.3 g/mol

VQ-038576

Reference Standard

Nefopam

CAS: 13669-70-0
Formula: C₁₇H₁₉NO
MW: 253.34 g/mol

VQ-026851

Reference Standard

Nefopam Hydrochloride

CAS: 23327-57-3
Formula: C₁₇H₂₀ClNO
MW: 289.8 g/mol

VQ-038577

Reference Standard

Nelarabine

CAS: 121032-29-9
Formula: C₁₁H₁₅N₅O₅
MW: 297.27 g/mol

VQ-026855

Reference Standard

Nemonoxacin

CAS: 378746-64-6
Formula: C₂₀H₂₅N₃O₄
MW: 371.4 g/mol

VQ-049210

Reference Standard

Neostigmine

CAS: 59-99-4
Formula: C₁₂H₁₉N₂O₂⁺
MW: 223.29 g/mol

VQ-044027

Reference Standard

Neostigmine Bromide

CAS: 114-80-7
Formula: C₁₂H₁₉BrN₂O₂
MW: 303.2 g/mol

VQ-026867

Reference Standard

Neotame Monohydrate

CAS: 243116-62-3
Formula: C₂₀H₃₂N₂O₆
MW: 396.5 g/mol

VQ-049213

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API Reference Standards

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