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

Depulfavirine

CAS: 867365-76-2
Formula: C₂₁H₁₃BrCl₂FN₃O₄S
MW: 573.2 g/mol

VQ-048172

Reference Standard

Dequalinium Chloride

CAS: 522-51-0
Formula: C₃₀H₄₀Cl₂N₄
MW: 527.6 g/mol

VQ-025250

Reference Standard

Deracoxib

CAS: 169590-41-4
Formula: C₁₇H₁₄F₃N₃O₃S
MW: 397.4 g/mol

VQ-030125

Reference Standard

Dermatan sulfate sodium

CAS: 54328-33-5
Formula: C₁₄H₂₁NO₁₅S
MW: 475.38 g/mol

VQ-036619

Reference Standard

Desflurane

CAS: 57041-67-5
Formula: C₃H₂F₆O
MW: 168.04 g/mol

VQ-036620

Reference Standard

Desidustat

CAS: 1616690-16-4
Formula: C₁₆H₁₆N₂O₆
MW: 332.31 g/mol

VQ-036622

Reference Standard

Desipramine Hydrochloride

CAS: 58-28-6
Formula: C₁₈H₂₃ClN₂
MW: 302.8 g/mol

VQ-031178

Reference Standard

Deslorelin Acetate

CAS: 82318-06-7
Formula: C₆₆H₈₇N₁₇O₁₄
MW: 1342.5 g/mol

VQ-047992

Reference Standard

Desmopressin

CAS: 16679-58-6
Formula: C₄₆H₆₄N₁₄O₁₂S₂
MW: 1069.2 g/mol

VQ-030136

Reference Standard

Desmopressin Acetate

CAS: 62288-83-9
Formula: C₄₈H₆₈N₁₄O₁₄S₂
MW: 1129.3 g/mol

VQ-036638

Reference Standard

Desmopressin Acetate Trihydrate

CAS: 62357-86-2
Formula: C₄₈H₇₄N₁₄O₁₇S₂
MW: 1183.3 g/mol

VQ-036639

Reference Standard

Desogestrel

CAS: 54024-22-5
Formula: C₂₂H₃₀O
MW: 310.5 g/mol

VQ-022329

Reference Standard

Desoximetasone

CAS: 382-67-2
Formula: C₂₂H₂₉FO₄
MW: 376.5 g/mol

In stock

Reference Standard

Desoxycarbadox

CAS: 55456-55-8
Formula: C₁₁H₁₀N₄O₂
MW: 230.22 g/mol

VQ-044316

Reference Standard

Desoxycorticosterone Pivalate

CAS: 808-48-0
Formula: C₂₆H₃₈O₄
MW: 414.6 g/mol

VQ-043461

Reference Standard

Desvenlafaxine

CAS: 93413-62-8
Formula: C₁₆H₂₅NO₂
MW: 263.37 g/mol

VQ-028656

Reference Standard

Desvenlafaxine Fumarate

CAS: 93414-04-1
Formula: C₂₀H₂₉NO₆
MW: 379.4 g/mol

VQ-044126

Reference Standard

Detomidine

CAS: 76631-46-4
Formula: C₁₂H₁₄N₂
MW: 186.25 g/mol

VQ-030142

Reference Standard

Detomidine Hydrochloride

CAS: 90038-01-0
Formula: C₁₂H₁₅ClN₂
MW: 222.71 g/mol

VQ-030143

Reference Standard

Deucravacitinib

CAS: 1609392-27-9
Formula: C₂₀H₂₂N₈O₃
MW: 425.5 g/mol

In stock

Reference Standard

Deutetrabenazine WS

CAS: 1221885-59-1
Formula: C₁₉H₂₁D₆NO₃
MW: 323.46 g/mol

In stock

Reference Standard

Dexamethasone

CAS: 50-02-2
Formula: C₂₂H₂₉FO₅
MW: 392.5 g/mol

In stock

Reference Standard

Dexamethasone Dipropionate

CAS: 55541-30-5
Formula: C₂₈H₃₇FO₇
MW: 504.6 g/mol

VQ-022347

Reference Standard

Dexamethasone Phosphate

CAS: 312-93-6
Formula: C₂₂H₃₀FO₈P
MW: 472.4 g/mol

VQ-025270

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API Reference Standards

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