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

Finerenone besylate

CAS: 3061403-36-6
Formula: C₂₇H₂₈N₄O₆S
MW: 536.6 g/mol

VQ-037282

Reference Standard

Finerenone((D-dibenzoyltartaric Acid))

CAS: 2379802-75-0
Formula: C₃₉H₃₆N₄O₁₁
MW: 736.73 g/mol

VQ-048384

Reference Standard

Fingolimod

CAS: 162359-55-9
Formula: C₁₉H₃₃NO₂
MW: 307.5 g/mol

In stock

Reference Standard

Fingolimod phosphate

CAS: 402615-91-2
Formula: C₁₉H₃₄NO₅P
MW: 387.5 g/mol

VQ-030747

Reference Standard

Fipronil

CAS: 120068-37-3
Formula: C₁₂H₄Cl₂F₆N₄OS
MW: 437.1 g/mol

VQ-025796

Reference Standard

Firocoxib

CAS: 189954-96-9
Formula: C₁₇H₂₀O₅S
MW: 336.4 g/mol

In stock

Reference Standard

Fispemifene

CAS: 341524-89-8
Formula: C₂₆H₂₇ClO₃
MW: 422.9 g/mol

VQ-049366

Reference Standard

Flavomycin

CAS: 11015-37-5
Formula: C₆₉H₁₀₇N₄O₃₅P
MW: 1583.6 g/mol

VQ-032425

Reference Standard

Flavoxate Hydrochloride

CAS: 3717-88-2
Formula: C₂₄H₂₆ClNO₄
MW: 427.9 g/mol

VQ-025799

Reference Standard

Flecainide

CAS: 54143-55-4
Formula: C₁₇H₂₀F₆N₂O₃
MW: 414.34 g/mol

VQ-034963

Reference Standard

Flecainide Acetate

CAS: 54143-56-5
Formula: C₁₉H₂₄F₆N₂O₅
MW: 474.4 g/mol

VQ-025802

Reference Standard

Fleroxacin

CAS: 79660-72-3
Formula: C₁₇H₁₈F₃N₃O₃
MW: 369.34 g/mol

VQ-037303

Reference Standard

Flibanserin

CAS: 167933-07-5
Formula: C₂₀H₂₁F₃N₄O
MW: 390.4 g/mol

VQ-025805

Reference Standard

Flocoumafen

CAS: 90035-08-8
Formula: C₃₃H₂₅F₃O₄
MW: 542.5 g/mol

VQ-037307

Reference Standard

Floctafenine

CAS: 23779-99-9
Formula: C₂₀H₁₇F₃N₂O₄
MW: 406.4 g/mol

VQ-037308

Reference Standard

Flomoxef

CAS: 99665-00-6
Formula: C₁₅H₁₈F₂N₆O₇S₂
MW: 496.5 g/mol

VQ-043173

Reference Standard

Flomoxef Sodium

CAS: 92823-03-5
Formula: C₁₅H₁₇F₂N₆NaO₇S₂
MW: 518.5 g/mol

VQ-037309

Reference Standard

Flonicamid

CAS: 158062-67-0
Formula: C₉H₆F₃N₃O
MW: 229.16 g/mol

VQ-030760

Reference Standard

Florasulam

CAS: 145701-23-1
Formula: C₁₂H₈F₃N₅O₃S
MW: 359.29 g/mol

VQ-032660

Reference Standard

Fluazinam

CAS: 79622-59-6
Formula: C₁₃H₄Cl₂F₆N₄O₄
MW: 465.09 g/mol

VQ-030766

Reference Standard

Fluazuron

CAS: 86811-58-7
Formula: C₂₀H₁₀Cl₂F₅N₃O₃
MW: 506.2 g/mol

VQ-030768

Reference Standard

Flubendazole

CAS: 31430-15-6
Formula: C₁₆H₁₂FN₃O₃
MW: 313.28 g/mol

VQ-025807

Reference Standard

Flubendiamide

CAS: 272451-65-7
Formula: C₂₃H₂₂F₇IN₂O₄S
MW: 682.4 g/mol

VQ-039687

Reference Standard

Flucloxacillin

CAS: 5250-39-5
Formula: C₁₉H₁₇ClFN₃O₅S
MW: 453.9 g/mol

VQ-034838

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API Reference Standards

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