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

Flucloxacillin Sodium

CAS: 1847-24-1
Formula: C₁₉H₁₆ClFN₃NaO₅S
MW: 475.9 g/mol

VQ-034839

Reference Standard

Flucloxacillin Sodium Hydrate

CAS: 34214-51-2
Formula: C₁₉H₁₈ClFN₃NaO₆S
MW: 493.9 g/mol

VQ-030769

Reference Standard

Fludarabine Phosphate

CAS: 75607-67-9
Formula: C₁₀H₁₃FN₅O₇P
MW: 365.21 g/mol

VQ-025811

Reference Standard

Fludeoxyglucose

CAS: 29702-43-0
Formula: C₆H₁₁FO₅
MW: 182.15 g/mol

VQ-037320

Reference Standard

Fludioxonil

CAS: 131341-86-1
Formula: C₁₂H₆F₂N₂O₂
MW: 248.18 g/mol

VQ-038875

Reference Standard

Fludrocortisone

CAS: 127-31-1
Formula: C₂₁H₂₉FO₅
MW: 380.4 g/mol

VQ-025817

Reference Standard

Fludrocortisone acetate

CAS: 514-36-3
Formula: C₂₃H₃₁FO₆
MW: 422.5 g/mol

VQ-025816

Reference Standard

Flufenacet

CAS: 142459-58-3
Formula: C₁₄H₁₃F₄N₃O₂S
MW: 363.33 g/mol

VQ-032580

Reference Standard

Flumazenil

CAS: 78755-81-4
Formula: C₁₅H₁₄FN₃O₃
MW: 303.29 g/mol

VQ-030784

Reference Standard

Flumequine

CAS: 42835-25-6
Formula: C₁₄H₁₂FNO₃
MW: 261.25 g/mol

VQ-025822

Reference Standard

Flumethasone

CAS: 2135-17-3
Formula: C₂₂H₂₈F₂O₅
MW: 410.5 g/mol

VQ-025823

Reference Standard

Flumethrin

CAS: 69770-45-2
Formula: C₂₈H₂₂Cl₂FNO₃
MW: 510.4 g/mol

VQ-030788

Reference Standard

Flumioxazin

CAS: 103361-09-7
Formula: C₁₉H₁₅FN₂O₄
MW: 354.3 g/mol

VQ-045190

Reference Standard

Flunarizine Dihydrochloride

CAS: 30484-77-6
Formula: C₂₆H₂₈Cl₂F₂N₂
MW: 477.4 g/mol

VQ-022666

Reference Standard

Flunisolide Hemihydrate

CAS: 77326-96-6
Formula: C₂₄H₃₁FO₆
MW: 434.5 g/mol

VQ-043545

Reference Standard

Flunixin

CAS: 38677-85-9
Formula: C₁₄H₁₁F₃N₂O₂
MW: 296.24 g/mol

VQ-030792

Reference Standard

Flunixin Meglumine

CAS: 42461-84-7
Formula: C₂₁H₂₈F₃N₃O₇
MW: 491.5 g/mol

VQ-025829

Reference Standard

Fluocinolone Acetonide

CAS: 67-73-2
Formula: C₂₄H₃₀F₂O₆
MW: 452.5 g/mol

VQ-022667

Reference Standard

Fluocinonide

CAS: 356-12-7
Formula: C₂₆H₃₂F₂O₇
MW: 494.5 g/mol

VQ-025837

Reference Standard

Fluoranthene

CAS: 206-44-0
Formula: C₁₆H₁₀
MW: 202.25 g/mol

VQ-038838

Reference Standard

Fluorodopa (18F)

CAS: 92812-82-3
Formula: C₉H₁₀FNO₄
MW: 214.18 g/mol

VQ-048419

Reference Standard

Fluorometholone

CAS: 426-13-1
Formula: C₂₂H₂₉FO₄
MW: 376.5 g/mol

In stock

Reference Standard

Fluoxetine

CAS: 54910-89-3
Formula: C₁₇H₁₈F₃NO
MW: 309.33 g/mol

VQ-007483

Reference Standard

Fluoxetine Hydrochloride

CAS: 56296-78-7
Formula: C₁₇H₁₉ClF₃NO
MW: 345.8 g/mol

In stock

Need a price, a spec or a custom compound?

Send us your list — product names or CAS numbers, grade, quantity and destination. Our team replies with a formal quotation, COA and lead time.

Request a quote Contact sales

Laboratory Chemicals & Reagents View all

Solvents View all

Life Science & Biochemicals View all

APIs & Bulk Drugs View all

Impurities & Reference Standards View all

Pharma Intermediates & Building Blocks View all

Inorganic Chemicals, Metals & Advanced Materials View all

Industrial & Specialty Chemicals View all

API Reference Standards

Need a price, a spec or a custom compound?