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

Remibrutinib

CAS: 1787294-07-8
Formula: C₂₇H₂₇F₂N₅O₃
MW: 507.5 g/mol

In stock

Reference Standard

Remogliflozin

CAS: 329045-45-6
Formula: C₂₃H₃₄N₂O₇
MW: 450.5 g/mol

VQ-033497

Reference Standard

Repaglinide

CAS: 135062-02-1
Formula: C₂₇H₃₆N₂O₄
MW: 452.6 g/mol

VQ-027774

Reference Standard

Reproterol

CAS: 54063-54-6
Formula: C₁₈H₂₃N₅O₅
MW: 389.4 g/mol

VQ-033504

Reference Standard

Reserpine

CAS: 50-55-5
Formula: C₃₃H₄₀N₂O₉
MW: 608.7 g/mol

In stock

Reference Standard

Resmethrin

CAS: 10453-86-8
Formula: C₂₂H₂₆O₃
MW: 338.4 g/mol

VQ-041875

Reference Standard

Resmetirom

CAS: 920509-32-6
Formula: C₁₇H₁₂Cl₂N₆O₄
MW: 435.2 g/mol

In stock

Reference Standard

Retapamulin

CAS: 224452-66-8
Formula: C₃₀H₄₇NO₄S
MW: 517.8 g/mol

VQ-033508

Reference Standard

Retatrutide

CAS: 2381089-83-2
Formula: C₂₂₁H₃₄₂N₄₆O₆₈
MW: 4731.42 g/mol

VQ-041885

Reference Standard

Retinol

CAS: 68-26-8
Formula: C₂₀H₃₀O
MW: 286.5 g/mol

VQ-034656

Reference Standard

Retrorsine

CAS: 480-54-6
Formula: C₁₈H₂₅NO₆
MW: 351.4 g/mol

VQ-033512

Reference Standard

Revefenacin

CAS: 864750-70-9
Formula: C₃₅H₄₃N₅O₄
MW: 597.7 g/mol

VQ-033514

Reference Standard

Revumenib

CAS: 2169919-21-3
Formula: C₃₂H₄₇FN₆O₄S
MW: 630.8 g/mol

VQ-035519

Reference Standard

Rhaponiticin

CAS: 155-58-8
Formula: C₂₁H₂₄O₉
MW: 420.4 g/mol

VQ-040459

Reference Standard

Rhodiocyanoside A

CAS: 168433-86-1
Formula: C₁₁H₁₇NO₆
MW: 259.26 g/mol

VQ-040337

Reference Standard

Ribociclib Citrate

Formula: C₂₃H₃₀N₈O.C₆H₈O_7.2H₂O
MW: 662.69 g/mol

In stock

Reference Standard

Ribociclib Hydrobromide

CAS: 2209917-73-5
Formula: C₂₃H₃₀N₈O : HBr
MW: 515.45 g/mol

VQ-041894

Reference Standard

Ribociclib hydrochloride

CAS: 1211443-80-9
Formula: C₂₃H₃₁ClN₈O
MW: 471 g/mol

VQ-033527

Reference Standard

Ribociclib Succinate

CAS: 1374639-75-4
Formula: C₂₇H₃₆N₈O₅
MW: 552.6 g/mol

In stock

Reference Standard

Ribociclib Succinate Dihydrate

CAS: 1374639-79-8
Formula: C₂₇H₃₈N₈O₆
MW: 570.6 g/mol

In stock

Reference Standard

Ribociclib WS

CAS: 1211441-98-3
Formula: C₂₃H₃₀N₈O
MW: 434.5 g/mol

VQ-007711

Reference Standard

Riboflavin

CAS: 83-88-5
Formula: C₁₇H₂₀N₄O₆
MW: 376.4 g/mol

In stock

Reference Standard

Riboflavin Sodium Phosphate Salt

CAS: 130-40-5
Formula: C₁₇H₂₀N₄NaO₉P
MW: 478.3 g/mol

In stock

Reference Standard

Ribostamycin

CAS: 25546-65-0
Formula: C₁₇H₃₄N₄O₁₀
MW: 454.5 g/mol

VQ-033534

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API Reference Standards

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