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

Diclofenac Acid WS

CAS: 15307-86-5
Formula: C₁₄H₁₁Cl₂NO₂
MW: 296.1 g/mol

In stock

Reference Standard

Diclofenac Epolamine

CAS: 119623-66-4
Formula: C₂₀H₂₄Cl₂N₂O₃
MW: 411.3 g/mol

VQ-036672

Reference Standard

Diclofenac Potassium Salt

CAS: 15307-81-0
Formula: C₁₄H₁₀Cl₂KNO₂
MW: 334.2 g/mol

VQ-007423

Reference Standard

Diclofenac Sodium Salt

CAS: 15307-79-6
Formula: C₁₄H₁₀Cl₂NNaO₂
MW: 318.1 g/mol

In stock

Reference Standard

Diclofenamide

CAS: 120-97-8
Formula: C₆H₆Cl₂N₂O₄S₂
MW: 305.2 g/mol

VQ-030183

Reference Standard

Dicloxacillin Sodium

CAS: 343-55-5
Formula: C₁₉H₁₆Cl₂N₃NaO₅S
MW: 492.3 g/mol

VQ-045150

Reference Standard

Dicyclomine

CAS: 77-19-0
Formula: C₁₉H₃₅NO₂
MW: 309.5 g/mol

VQ-030186

Reference Standard

Didanosine

CAS: 69655-05-6
Formula: C₁₀H₁₂N₄O₃
MW: 236.23 g/mol

VQ-034824

Reference Standard

Dienestrol

CAS: 84-17-3
Formula: C₁₈H₁₈O₂
MW: 266.3 g/mol

VQ-036684

Reference Standard

Dienogest

CAS: 65928-58-7
Formula: C₂₀H₂₅NO₂
MW: 311.4 g/mol

VQ-022376

Reference Standard

Diethanolamine Fusidate

CAS: 16391-75-6
Formula: C₃₅H₅₉NO₈
MW: 621.8 g/mol

VQ-030913

Reference Standard

Diethylcarbamazine

CAS: 90-89-1
Formula: C₁₀H₂₁N₃O
MW: 199.29 g/mol

VQ-036691

Reference Standard

Diethylcarbamazine Citrate

CAS: 1642-54-2
Formula: C₁₆H₂₉N₃O₈
MW: 391.42 g/mol

VQ-030192

Reference Standard

Diethyltoluamide

CAS: 134-62-3
Formula: C₁₂H₁₇NO
MW: 191.27 g/mol

VQ-030193

Reference Standard

Difamilast

CAS: 937782-05-3
Formula: C₂₃H₂₄F₂N₂O₅
MW: 446.4 g/mol

VQ-030194

Reference Standard

Difelikefalin

CAS: 1024828-77-0
Formula: C₃₆H₅₃N₇O₆
MW: 679.8 g/mol

VQ-030195

Reference Standard

Difenacoum

CAS: 56073-07-5
Formula: C₃₁H₂₄O₃
MW: 444.5 g/mol

VQ-030197

Reference Standard

Difenoconazole

CAS: 119446-68-3
Formula: C₁₉H₁₇Cl₂N₃O₃
MW: 406.3 g/mol

VQ-032357

Reference Standard

Difethialone

CAS: 104653-34-1
Formula: C₃₁H₂₃BrO₂S
MW: 539.5 g/mol

VQ-048017

Reference Standard

Diflorasone Diacetate

CAS: 33564-31-7
Formula: C₂₆H₃₂F₂O₇
MW: 494.5 g/mol

VQ-043139

Reference Standard

Diflovidazin

CAS: 162320-67-4
Formula: C₁₄H₇ClF₂N₄
MW: 304.68 g/mol

VQ-037321

Reference Standard

Difloxacin Hydrochloride

CAS: 91296-86-5
Formula: C₂₁H₂₀ClF₂N₃O₃
MW: 435.8 g/mol

VQ-036697

Reference Standard

Diflubenzuron

CAS: 35367-38-5
Formula: C₁₄H₉ClF₂N₂O₂
MW: 310.68 g/mol

VQ-032578

Reference Standard

Diflucortolone

CAS: 2607-06-9
Formula: C₂₂H₂₈F₂O₄
MW: 394.5 g/mol

VQ-048019

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API Reference Standards

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