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

Doxepin

CAS: 1668-19-5
Formula: C₁₉H₂₁NO
MW: 279.4 g/mol

VQ-007435

Reference Standard

Doxepin Hydrochloride

CAS: 1229-29-4
Formula: C₁₉H₂₂ClNO
MW: 315.8 g/mol

In stock

Reference Standard

Doxercalciferol

CAS: 54573-75-0
Formula: C₂₈H₄₄O₂
MW: 412.6 g/mol

In stock

Reference Standard

Doxofylline

CAS: 69975-86-6
Formula: C₁₁H₁₄N₄O₄
MW: 266.25 g/mol

VQ-025397

Reference Standard

Doxorubicin

CAS: 23214-92-8
Formula: C₂₇H₂₉NO₁₁
MW: 543.5 g/mol

VQ-025402

Reference Standard

Doxorubicinol

CAS: 54193-28-1
Formula: C₂₇H₃₁NO₁₁
MW: 545.5 g/mol

VQ-036819

Reference Standard

Doxycycline

CAS: 564-25-0
Formula: C₂₂H₂₄N₂O₈
MW: 444.4 g/mol

VQ-007438

Reference Standard

Doxycycline Monohydrate

CAS: 17086-28-1
Formula: C₂₂H₂₆N₂O₉
MW: 462.4 g/mol

In stock

Reference Standard

Doxylamine

CAS: 469-21-6
Formula: C₁₇H₂₂N₂O
MW: 270.37 g/mol

VQ-036823

Reference Standard

Drometrizole

CAS: 2440-22-4
Formula: C₁₃H₁₁N₃O
MW: 225.25 g/mol

VQ-032832

Reference Standard

Drometrizole Trisiloxane

CAS: 155633-54-8
Formula: C₂₄H₃₉N₃O₃Si₃
MW: 501.8 g/mol

VQ-048101

Reference Standard

Dronedarone

CAS: 141626-36-0
Formula: C₃₁H₄₄N₂O₅S
MW: 556.8 g/mol

VQ-036834

Reference Standard

Dronedarone Hydrochloride

CAS: 141625-93-6
Formula: C₃₁H₄₅ClN₂O₅S
MW: 593.2 g/mol

VQ-025408

Reference Standard

Droperidol

CAS: 548-73-2
Formula: C₂₂H₂₂FN₃O₂
MW: 379.4 g/mol

VQ-025414

Reference Standard

Dropropizine

CAS: 17692-31-8
Formula: C₁₃H₂₀N₂O₂
MW: 236.31 g/mol

VQ-007440

Reference Standard

Drotaverine

CAS: 14009-24-6
Formula: C₂₄H₃₁NO₄
MW: 397.5 g/mol

VQ-045238

Reference Standard

Droxidopa

CAS: 23651-95-8
Formula: C₉H₁₁NO₅
MW: 213.19 g/mol

VQ-025426

Reference Standard

Duloxetine

CAS: 116539-59-4
Formula: C₁₈H₁₉NOS
MW: 297.4 g/mol

VQ-007441

Reference Standard

Duloxetine Hydrochloride

CAS: 136434-34-9
Formula: C₁₈H₂₀ClNOS
MW: 333.9 g/mol

In stock

Reference Standard

Dutasteride

CAS: 164656-23-9
Formula: C₂₇H₃₀F₆N₂O₂
MW: 528.5 g/mol

In stock

Reference Standard

Duvelisib

CAS: 1201438-56-3
Formula: C₂₂H₁₇ClN₆O
MW: 416.9 g/mol

VQ-030345

Reference Standard

Dyclonine

CAS: 586-60-7
Formula: C₁₈H₂₇NO₂
MW: 289.4 g/mol

VQ-048116

Reference Standard

Dyclonine Hydrochloride

CAS: 536-43-6
Formula: C₁₈H₂₈ClNO₂
MW: 325.9 g/mol

VQ-043463

Reference Standard

Dydrogesterone

CAS: 152-62-5
Formula: C₂₁H₂₈O₂
MW: 312.4 g/mol

VQ-022469

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API Reference Standards

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