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

Brodifacoum

CAS: 56073-10-0
Formula: C₃₁H₂₃BrO₃
MW: 523.4 g/mol

VQ-036035

Reference Standard

Bromadiolone

CAS: 28772-56-7
Formula: C₃₀H₂₃BrO₄
MW: 527.4 g/mol

VQ-029520

Reference Standard

Bromantane

CAS: 87913-26-6
Formula: C₁₆H₂₀BrN
MW: 306.24 g/mol

VQ-036036

Reference Standard

Brombuterol

CAS: 41937-02-4
Formula: C₁₂H₁₈Br₂N₂O
MW: 366.09 g/mol

VQ-036038

Reference Standard

Brombuterol Hydrochloride

CAS: 21912-49-2
Formula: C₁₂H₁₉Br₂ClN₂O
MW: 402.55 g/mol

VQ-035063

Reference Standard

Bromfenac

CAS: 91714-94-2
Formula: C₁₅H₁₂BrNO₃
MW: 334.16 g/mol

VQ-007356

Reference Standard

Bromfenac Sodium

CAS: 91714-93-1
Formula: C₁₅H₁₁BrNNaO₃
MW: 356.15 g/mol

VQ-007357

Reference Standard

Bromhexine

CAS: 3572-43-8
Formula: C₁₄H₂₀Br₂N₂
MW: 376.13 g/mol

VQ-007358

Reference Standard

Bromhexine Hydrochloride

CAS: 611-75-6
Formula: C₁₄H₂₁Br₂ClN₂
MW: 412.59 g/mol

In stock

Reference Standard

Bromocriptine

CAS: 25614-03-3
Formula: C₃₂H₄₀BrN₅O₅
MW: 654.6 g/mol

VQ-043080

Reference Standard

Bromocriptine Mesylate

CAS: 22260-51-1
Formula: C₃₃H₄₄BrN₅O₈S
MW: 750.7 g/mol

VQ-024671

Reference Standard

Bromopride

CAS: 4093-35-0
Formula: C₁₄H₂₂BrN₃O₂
MW: 344.25 g/mol

VQ-021903

Reference Standard

Bromopride hydrochloride

CAS: 52423-56-0
Formula: C₁₄H₂₃BrClN₃O₂
MW: 380.71 g/mol

VQ-036042

Reference Standard

Bromperidol

CAS: 10457-90-6
Formula: C₂₁H₂₃BrFNO₂
MW: 420.3 g/mol

VQ-026045

Reference Standard

Brompheniramine maleate

CAS: 980-71-2
Formula: C₂₀H₂₃BrN₂O₄
MW: 435.3 g/mol

VQ-021906

Reference Standard

Budesonide WS

CAS: 51333-22-3
Formula: C₂₅H₃₄O₆
MW: 430.5 g/mol

In stock

Reference Standard

Bufexamac

CAS: 2438-72-4
Formula: C₁₂H₁₇NO₃
MW: 223.27 g/mol

VQ-024678

Reference Standard

Bufotenine

CAS: 487-93-4
Formula: C₁₂H₁₆N₂O
MW: 204.27 g/mol

VQ-045186

Reference Standard

Bufuralol Hydrochloride

CAS: 60398-91-6
Formula: C₁₆H₂₄ClNO₂
MW: 297.82 g/mol

VQ-029532

Reference Standard

Bumetanide WS

CAS: 28395-03-1
Formula: C₁₇H₂₀N₂O₅S
MW: 364.4 g/mol

In stock

Reference Standard

Buparvaquone

CAS: 88426-33-9
Formula: C₂₁H₂₆O₃
MW: 326.4 g/mol

VQ-029537

Reference Standard

Bupivacaine

CAS: 38396-39-3
Formula: C₁₈H₂₈N₂O
MW: 288.4 g/mol

VQ-024680

Reference Standard

Bupivacaine Hydrochloride

CAS: 18010-40-7
Formula: C₁₈H₂₉ClN₂O
MW: 324.9 g/mol

VQ-029538

Reference Standard

Bupivacaine Hydrochloride Monohydrate

CAS: 73360-54-0
Formula: C₁₈H₃₁ClN₂O₂
MW: 342.9 g/mol

VQ-024681

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API Reference Standards

Need a price, a spec or a custom compound?