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

Idarubicin Hydrochloride

CAS: 57852-57-0
Formula: C₂₆H₂₈ClNO₉
MW: 534 g/mol

VQ-031151

Reference Standard

Idebenone

CAS: 58186-27-9
Formula: C₁₉H₃₀O₅
MW: 338.4 g/mol

VQ-026129

Reference Standard

Idebenone Sulfate

CAS: 319906-76-8
Formula: C₁₉H₃₀O₈S
MW: 418.5 g/mol

VQ-031152

Reference Standard

Iguratimod

CAS: 123663-49-0
Formula: C₁₇H₁₄N₂O₆S
MW: 374.4 g/mol

VQ-031158

Reference Standard

Ilaprazole

CAS: 172152-36-2
Formula: C₁₉H₁₈N₄O₂S
MW: 366.4 g/mol

In stock

Reference Standard

Ilaprazole Sodium Monohydrate

CAS: 1326679-16-6
Formula: C₁₉H₁₈N₄O₂S.H₂O.Na
MW: 407.44 g/mol

In stock

Reference Standard

Iloperidone

CAS: 133454-47-4
Formula: C₂₄H₂₇FN₂O₄
MW: 426.5 g/mol

VQ-026134

Reference Standard

Iloprost

CAS: 78919-13-8
Formula: C₂₂H₃₂O₄
MW: 360.5 g/mol

VQ-031165

Reference Standard

Imatinib

CAS: 152459-95-5
Formula: C₂₉H₃₁N₇O
MW: 493.6 g/mol

VQ-031168

Reference Standard

Imazamox

CAS: 114311-32-9
Formula: C₁₅H₁₉N₃O₄
MW: 305.33 g/mol

VQ-039543

Reference Standard

Imazethapyr

CAS: 81335-77-5
Formula: C₁₅H₁₉N₃O₃
MW: 289.33 g/mol

VQ-039524

Reference Standard

Imeglimin

CAS: 775351-65-0
Formula: C₆H₁₃N₅
MW: 155.2 g/mol

VQ-028928

Reference Standard

Imeglimin Monohydrochloride

CAS: 2650481-44-8
Formula: C₆H₁₄ClN₅
MW: 191.66 g/mol

VQ-048659

Reference Standard

Imepitoin

CAS: 188116-07-6
Formula: C₁₃H₁₄ClN₃O₂
MW: 279.72 g/mol

VQ-040620

Reference Standard

Imidacloprid

CAS: 138261-41-3
Formula: C₉H₁₀ClN₅O₂
MW: 255.66 g/mol

VQ-026146

Reference Standard

Imidafenacin

CAS: 170105-16-5
Formula: C₂₀H₂₁N₃O
MW: 319.4 g/mol

VQ-037678

Reference Standard

Imidapril Hydrochloride

CAS: 89396-94-1
Formula: C₂₀H₂₈ClN₃O₆
MW: 441.9 g/mol

VQ-037750

Reference Standard

Imidocarb dipropionate

CAS: 55750-06-6
Formula: C₂₅H₃₂N₆O₅
MW: 496.6 g/mol

VQ-037679

Reference Standard

Imipenem

CAS: 64221-86-9
Formula: C₁₂H₁₇N₃O₄S
MW: 299.35 g/mol

VQ-035035

Reference Standard

Imipenem Monohydrate

CAS: 74431-23-5
Formula: C₁₂H₁₉N₃O₅S
MW: 317.36 g/mol

VQ-022838

Reference Standard

Imipramine Hydrochloride

CAS: 113-52-0
Formula: C₁₉H₂₅ClN₂
MW: 316.9 g/mol

VQ-019535

Reference Standard

Imipramine Pamoate

CAS: 10075-24-8
Formula: C₆₁H₆₄N₄O₆
MW: 949.2 g/mol

VQ-031177

Reference Standard

Imiprothrin

CAS: 72963-72-5
Formula: C₁₇H₂₂N₂O₄
MW: 318.4 g/mol

VQ-037688

Reference Standard

Imiquimod

CAS: 99011-02-6
Formula: C₁₄H₁₆N₄
MW: 240.3 g/mol

VQ-026152

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API Reference Standards

Need a price, a spec or a custom compound?