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

Glycyrrhetic Acid

CAS: 471-53-4
Formula: C₃₀H₄₆O₄
MW: 470.7 g/mol

VQ-026019

Reference Standard

Glycyrrhizic Acid

CAS: 1405-86-3
Formula: C₄₂H₆₂O₁₆
MW: 822.9 g/mol

VQ-037554

Reference Standard

Gonadorelin Acetate

CAS: 34973-08-5
Formula: C₅₇H₇₉N₁₇O₁₅
MW: 1242.3 g/mol

VQ-031027

Reference Standard

Gonadotropin Chorionic

CAS: 9002-61-3
Formula: C₁₁H₁₉N₃O₆S
MW: 321.35 g/mol

VQ-039040

Reference Standard

Goserelin

CAS: 65807-02-5
Formula: C₅₉H₈₄N₁₈O₁₄
MW: 1269.4 g/mol

VQ-031028

Reference Standard

Goserelin Acetate

CAS: 145781-92-6
Formula: C₆₁H₈₈N₁₈O₁₆
MW: 1329.5 g/mol

VQ-031030

Reference Standard

Gramicidin

CAS: 4419-81-2
Formula: C₉₉H₁₄₀N₂₀O₁₇
MW: 1882.3 g/mol

VQ-048551

Reference Standard

Gramicidin

CAS: 1405-97-6
Formula: C₉₆H₁₃₅N₁₉O₁₆
MW: 1811.2 g/mol

VQ-048554

Reference Standard

Granisetron

CAS: 109889-09-0
Formula: C₁₈H₂₄N₄O
MW: 312.4 g/mol

VQ-026025

Reference Standard

Granisetron Hydrochloride

CAS: 107007-99-8
Formula: C₁₈H₂₅ClN₄O
MW: 348.9 g/mol

VQ-026026

Reference Standard

Grazoprevir

CAS: 1350514-68-9
Formula: C₃₈H₅₀N₆O₉S
MW: 766.9 g/mol

VQ-031035

Reference Standard

Guaiacol acetate

CAS: 613-70-7
Formula: C₉H₁₀O₃
MW: 166.17 g/mol

VQ-048563

Reference Standard

Guanabenz Acetate

CAS: 23256-50-0
Formula: C₁₀H₁₂Cl₂N₄O₂
MW: 291.13 g/mol

VQ-048565

Reference Standard

Guanfacine

CAS: 29110-47-2
Formula: C₉H₉Cl₂N₃O
MW: 246.09 g/mol

VQ-043188

Reference Standard

Guanfacine Hydrochloride

CAS: 29110-48-3
Formula: C₉H₁₀Cl₃N₃O
MW: 282.5 g/mol

VQ-026031

Reference Standard

Halcinonide

CAS: 3093-35-4
Formula: C₂₄H₃₂ClFO₅
MW: 455 g/mol

VQ-031045

Reference Standard

Halobetasol

CAS: 98651-66-2
Formula: C₂₂H₂₇ClF₂O₄
MW: 428.9 g/mol

VQ-026038

Reference Standard

Halofantrine Hydrochloride

CAS: 36167-63-2
Formula: C₂₆H₃₁Cl₃F₃NO
MW: 536.9 g/mol

VQ-043189

Reference Standard

Halofuginone

CAS: 55837-20-2
Formula: C₁₆H₁₇BrClN₃O₃
MW: 414.7 g/mol

VQ-037570

Reference Standard

Halofuginone Hydrobromide

CAS: 64924-67-0
Formula: C₁₆H₁₈Br₂ClN₃O₃
MW: 495.6 g/mol

VQ-037569

Reference Standard

Halofuginone Lactate

CAS: 82186-71-8
Formula: C₁₉H₂₃BrClN₃O₆
MW: 504.8 g/mol

VQ-031046

Reference Standard

Halometasone

CAS: 50629-82-8
Formula: C₂₂H₂₇ClF₂O₅
MW: 444.9 g/mol

VQ-043772

Reference Standard

Halometasone Monohydrate

CAS: 1310709-74-0
Formula: C₂₂H₂₉ClF₂O₆
MW: 462.9 g/mol

VQ-048570

Reference Standard

Haloperidol

CAS: 52-86-8
Formula: C₂₁H₂₃ClFNO₂
MW: 375.9 g/mol

VQ-026041

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API Reference Standards

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