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

Diflufenican

CAS: 83164-33-4
Formula: C₁₉H₁₁F₅N₂O₂
MW: 394.3 g/mol

VQ-036699

Reference Standard

Difluprednate

CAS: 23674-86-4
Formula: C₂₇H₃₄F₂O₇
MW: 508.5 g/mol

In stock

Reference Standard

Digoxin

CAS: 20830-75-5
Formula: C₄₁H₆₄O₁₄
MW: 780.9 g/mol

In stock

Reference Standard

Dihydralazine mesylate

CAS: 69467-96-5
Formula: C₉H₁₄N₆O₃S
MW: 286.31 g/mol

VQ-037589

Reference Standard

Dihydralazine Sulfate

CAS: 7327-87-9
Formula: C₈H₁₂N₆O₄S
MW: 288.29 g/mol

VQ-026060

Reference Standard

Dihydro Tachysterol

CAS: 67-96-9
Formula: C₂₈H₄₆O
MW: 398.7 g/mol

VQ-034947

Reference Standard

Dihydroergotamine Mesylate

CAS: 6190-39-2
Formula: C₃₄H₄₁N₅O₈S
MW: 679.8 g/mol

VQ-045255

Reference Standard

Dihydrostreptomycin

CAS: 128-46-1
Formula: C₂₁H₄₁N₇O₁₂
MW: 583.6 g/mol

VQ-042277

Reference Standard

Diltiazem

CAS: 42399-41-7
Formula: C₂₂H₂₆N₂O₄S
MW: 414.5 g/mol

VQ-007427

Reference Standard

Diltiazem Hydrochloride

CAS: 33286-22-5
Formula: C₂₂H₂₇ClN₂O₄S
MW: 451 g/mol

VQ-007428

Reference Standard

Dimenhydrinate

CAS: 523-87-5
Formula: C₂₄H₂₈ClN₅O₃
MW: 470 g/mol

VQ-025327

Reference Standard

Dimethindene

CAS: 5636-83-9
Formula: C₂₀H₂₄N₂
MW: 292.4 g/mol

VQ-025330

Reference Standard

Dimethindene Maleate

CAS: 3614-69-5
Formula: C₂₄H₂₈N₂O₄
MW: 408.5 g/mol

VQ-025331

Reference Standard

Dimethoate

CAS: 60-51-5
Formula: C₅H₁₂NO₃PS₂
MW: 229.3 g/mol

VQ-030219

Reference Standard

Diminazene Diaceturate

CAS: 908-54-3
Formula: C₁₈H₂₂N₈O₃
MW: 398.4 g/mol

VQ-036723

Reference Standard

Dinitolmide

CAS: 148-01-6
Formula: C₈H₇N₃O₅
MW: 225.16 g/mol

VQ-036724

Reference Standard

Dinotefuran

CAS: 165252-70-0
Formula: C₇H₁₄N₄O₃
MW: 202.21 g/mol

VQ-030222

Reference Standard

Dioctadecyl Disulfide

CAS: 2500-88-1
Formula: C₃₆H₇₄S₂
MW: 571.1 g/mol

VQ-040010

Reference Standard

Dioxidine

CAS: 17311-31-8
Formula: C₁₀H₁₀N₂O₄
MW: 222.2 g/mol

VQ-036729

Reference Standard

Dioxybenzone

CAS: 131-53-3
Formula: C₁₄H₁₂O₄
MW: 244.24 g/mol

VQ-032894

Reference Standard

Diphemanil Methosulfate

CAS: 62-97-5
Formula: C₂₁H₂₇NO₄S
MW: 389.5 g/mol

VQ-048032

Reference Standard

Diphenhydramine

CAS: 58-73-1
Formula: C₁₇H₂₁NO
MW: 255.35 g/mol

VQ-025336

Reference Standard

Diphenhydramine Citrate

CAS: 88637-37-0
Formula: C₂₃H₂₉NO₈
MW: 447.5 g/mol

VQ-036731

Reference Standard

Diphenidol Hydrochloride

CAS: 3254-89-5
Formula: C₂₁H₂₈ClNO
MW: 345.9 g/mol

VQ-030231

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API Reference Standards

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