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

Dexamethasone Sodium Metasulfobenzoate WS

CAS: 3936-02-5
Formula: C₂₉H₃₂FNaO₉S
MW: 598.6 g/mol

In stock

Reference Standard

Dexamethasone Sodium Phosphate

CAS: 2392-39-4
Formula: C₂₂H₂₈FNa₂O₈P
MW: 516.4 g/mol

VQ-022337

Reference Standard

Dexbrompheniramine Maleate

CAS: 2391-03-9
Formula: C₂₀H₂₃BrN₂O₄
MW: 435.3 g/mol

VQ-036657

Reference Standard

Dexchlorpheniramine

CAS: 25523-97-1
Formula: C₁₆H₁₉ClN₂
MW: 274.79 g/mol

VQ-007419

Reference Standard

Dexchlorpheniramine Maleate WS

CAS: 2438-32-6
Formula: C₂₀H₂₃ClN₂O₄
MW: 390.9 g/mol

In stock

Reference Standard

Dexlansoprazole Sesquihydrate

CAS: 313640-86-7
Formula: C₃₂H₃₄F₆N₆O₇S₂
MW: 792.8 g/mol

VQ-031439

Reference Standard

Dexmedetomidine

CAS: 113775-47-6
Formula: C₁₃H₁₆N₂
MW: 200.28 g/mol

VQ-049024

Reference Standard

Dexrazoxane

CAS: 24584-09-6
Formula: C₁₁H₁₆N₄O₄
MW: 268.27 g/mol

VQ-022353

Reference Standard

Dextromethorphan Hydrobromide Monohydrate

CAS: 6700-34-1
Formula: C₁₈H₂₈BrNO₂
MW: 370.3 g/mol

VQ-036658

Reference Standard

Dextrose Monohydrate

CAS: 77938-63-7
Formula: C₆H₁₄O₇
MW: 198.17 g/mol

VQ-032889

Reference Standard

Diafenthiuron

CAS: 80060-09-9
Formula: C₂₃H₃₂N₂OS
MW: 384.6 g/mol

VQ-030168

Reference Standard

Diatrizoate Meglumine

CAS: 131-49-7
Formula: C₁₈H₂₆I₃N₃O₉
MW: 809.1 g/mol

VQ-038286

Reference Standard

Diatrizoate Sodium

CAS: 737-31-5
Formula: C₁₁H₈I₃N₂NaO₄
MW: 635.89 g/mol

VQ-030169

Reference Standard

Diaveridine

CAS: 5355-16-8
Formula: C₁₃H₁₆N₄O₂
MW: 260.29 g/mol

VQ-030170

Reference Standard

Diaveridine Hydrochloride

CAS: 2507-23-5
Formula: C₁₃H₁₇ClN₄O₂
MW: 296.75 g/mol

VQ-036664

Reference Standard

Diazepam

CAS: 439-14-5
Formula: C₁₆H₁₃ClN₂O
MW: 284.74 g/mol

VQ-045074

Reference Standard

Diazinon

CAS: 333-41-5
Formula: C₁₂H₂₁N₂O₃PS
MW: 304.35 g/mol

VQ-025286

Reference Standard

Diazoxide

CAS: 364-98-7
Formula: C₈H₇ClN₂O₂S
MW: 230.67 g/mol

VQ-007421

Reference Standard

Dibenzosuberane

CAS: 833-48-7
Formula: C₁₅H₁₄
MW: 194.27 g/mol

VQ-029950

Reference Standard

Dibutepinephrine

CAS: 2735735-23-4
Formula: C₁₇H₂₅NO₅
MW: 323.4 g/mol

VQ-047342

Reference Standard

Dicarboxidine . 2 HCl (Q-1195.0001)

CAS: 56455-90-4
Formula: C₂₀H₂₆Cl₂N₂O₆
MW: 461.3 g/mol

VQ-048008

Reference Standard

Dichlorophen

CAS: 97-23-4
Formula: C₁₃H₁₀Cl₂O₂
MW: 269.12 g/mol

VQ-019618

Reference Standard

Dichlorvos

CAS: 62-73-7
Formula: C₄H₇Cl₂O₄P
MW: 220.97 g/mol

VQ-032456

Reference Standard

Diclazuril

CAS: 101831-37-2
Formula: C₁₇H₉Cl₃N₄O₂
MW: 407.6 g/mol

VQ-022361

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API Reference Standards

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