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

Cephapirin

CAS: 21593-23-7
Formula: C₁₇H₁₇N₃O₆S₂
MW: 423.5 g/mol

VQ-029680

Reference Standard

Cephapirin benzathine

CAS: 97468-37-6
Formula: C₅₀H₅₄N₈O₁₂S₄
MW: 1087.3 g/mol

VQ-036224

Reference Standard

Cephapirin Sodium

CAS: 24356-60-3
Formula: C₁₇H₁₆N₃NaO₆S₂
MW: 445.4 g/mol

VQ-029679

Reference Standard

Ceritinib

CAS: 1032900-25-6
Formula: C₂₈H₃₆ClN₅O₃S
MW: 558.1 g/mol

VQ-024910

Reference Standard

Cetilistat

CAS: 282526-98-1
Formula: C₂₅H₃₉NO₃
MW: 401.6 g/mol

VQ-029729

Reference Standard

Cetirizine Dihydrochloride

CAS: 83881-52-1
Formula: C₂₁H₂₇Cl₃N₂O₃
MW: 461.8 g/mol

In stock

Reference Standard

Cetrorelix

CAS: 120287-85-6
Formula: C₇₀H₉₂ClN₁₇O₁₄
MW: 1431 g/mol

VQ-029735

Reference Standard

Cetrorelix Acetate

CAS: 145672-81-7
Formula: C₇₂H₉₆ClN₁₇O₁₆
MW: 1491.1 g/mol

VQ-036227

Reference Standard

Cetrorelix Acetate

CAS: 1631741-31-5
Formula: C₇₂H₉₆ClN₁₇O₁₆
MW: 1491.1 g/mol

VQ-036228

Reference Standard

Cetylpyridinium chloride

CAS: 123-03-5
Formula: C₂₁H₃₈ClN
MW: 340 g/mol

VQ-036229

Reference Standard

Cevimeline

CAS: 107233-08-9
Formula: C₁₀H₁₇NOS
MW: 199.32 g/mol

VQ-024915

Reference Standard

Cevimeline Hydrochloride

CAS: 107220-28-0
Formula: C₁₀H₁₈ClNOS
MW: 235.77 g/mol

VQ-043112

Reference Standard

Cevimeline hydrochloride hemihydrate

CAS: 153504-70-2
Formula: C₂₀H₃₈Cl₂N₂O₃S₂
MW: 489.6 g/mol

VQ-047739

Reference Standard

Chicoric Acid

CAS: 6537-80-0
Formula: C₂₂H₁₈O₁₂
MW: 474.4 g/mol

VQ-032565

Reference Standard

Chlorambucil

CAS: 305-03-3
Formula: C₁₄H₁₉Cl₂NO₂
MW: 304.2 g/mol

In stock

Reference Standard

Chloramine T

CAS: 127-65-1
Formula: C₇H₇ClNNaO₂S
MW: 227.64 g/mol

VQ-039392

Reference Standard

Chloramphenicol sodium succinate

CAS: 982-57-0
Formula: C₁₅H₁₅Cl₂N₂NaO₈
MW: 445.2 g/mol

VQ-047746

Reference Standard

Chloramphenicol Succinate

CAS: 3544-94-3
Formula: C₁₅H₁₆Cl₂N₂O₈
MW: 423.2 g/mol

VQ-044318

Reference Standard

Chlorfenvinphos

CAS: 470-90-6
Formula: C₁₂H₁₄Cl₃O₄P
MW: 359.6 g/mol

VQ-039518

Reference Standard

Chlorhexidine Dihydrochloride

CAS: 3697-42-5
Formula: C₂₂H₃₂Cl₄N₁₀
MW: 578.4 g/mol

VQ-029743

Reference Standard

Chlormadinone

CAS: 1961-77-9
Formula: C₂₁H₂₇ClO₃
MW: 362.9 g/mol

VQ-022147

Reference Standard

Chlormezanone

CAS: 80-77-3
Formula: C₁₁H₁₂ClNO₃S
MW: 273.74 g/mol

VQ-047753

Reference Standard

Chlorophene

CAS: 120-32-1
Formula: C₁₃H₁₁ClO
MW: 218.68 g/mol

VQ-036420

Reference Standard

Chlorophyllin Copper Trisodium Salt

CAS: 11006-34-1
Formula: C₃₄H₃₁CuN₄Na₃O₆
MW: 724.1 g/mol

VQ-019816

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API Reference Standards

Need a price, a spec or a custom compound?