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

Bleomycin

CAS: 11056-06-7
Formula: C₅₅H₈₄N₁₇O₂₁S₃⁺
MW: 1415.6 g/mol

VQ-043073

Reference Standard

Bleomycin Sulfate

CAS: 9041-93-4
Formula: C₅₅H₈₆N₁₇O₂₅S₄⁺
MW: 1513.6 g/mol

VQ-024612

Reference Standard

Blonanserin

CAS: 132810-10-7
Formula: C₂₃H₃₀FN₃
MW: 367.5 g/mol

VQ-029465

Reference Standard

Boceprevir

CAS: 394730-60-0
Formula: C₂₇H₄₅N₅O₅
MW: 519.7 g/mol

VQ-029468

Reference Standard

Boldine

CAS: 476-70-0
Formula: C₁₉H₂₁NO₄
MW: 327.4 g/mol

VQ-029469

Reference Standard

Boscalid

CAS: 188425-85-6
Formula: C₁₈H₁₂Cl₂N₂O
MW: 343.2 g/mol

VQ-032582

Reference Standard

Bosentan Monohydrate

CAS: 157212-55-0
Formula: C₂₇H₃₁N₅O₇S
MW: 569.6 g/mol

VQ-024619

Reference Standard

Bosutinib Monohydrate

CAS: 918639-08-4
Formula: C₂₆H₃₁Cl₂N₅O₄
MW: 548.5 g/mol

VQ-029486

Reference Standard

Bosutinib WS

CAS: 380843-75-4
Formula: C₂₆H₂₉Cl₂N₅O₃
MW: 530.4 g/mol

In stock

Reference Standard

Bremelanotide

CAS: 189691-06-3
Formula: C₅₀H₆₈N₁₄O₁₀
MW: 1025.2 g/mol

VQ-029492

Reference Standard

Bremelanotide Acetate

CAS: 1607799-13-2
Formula: C₅₂H₇₂N₁₄O₁₂
MW: 1085.2 g/mol

VQ-036013

Reference Standard

Brensocatib

CAS: 1802148-05-5
Formula: C₂₃H₂₄N₄O₄
MW: 420.5 g/mol

VQ-007352

Reference Standard

Brensocatib Diastereomer-1

CAS: 2758816-15-6
Formula: C₂₃H₂₄N₄O₄
MW: 420.47 g/mol

VQ-036014

Reference Standard

Brensocatib Diastereomer-2

CAS: 2758816-13-4
Formula: C₂₃H₂₄N₄O₄
MW: 420.47 g/mol

VQ-036015

Reference Standard

Brensocatib Enantiomer

CAS: 2758816-16-7
Formula: C₂₃H₂₄N₄O₄
MW: 420.47 g/mol

VQ-036016

Reference Standard

Brensocatib Monohydrate

CAS: 2923839-30-7
Formula: C₂₃H₂₆N₄O₅
MW: 438.5 g/mol

In stock

Reference Standard

Brexpiprazole

CAS: 913611-97-9
Formula: C₂₅H₂₇N₃O₂S
MW: 433.6 g/mol

VQ-021868

Reference Standard

Brexpiprazole dihydrate

CAS: 1476076-80-8
Formula: C₂₅H₃₁N₃O₄S
MW: 469.6 g/mol

VQ-047618

Reference Standard

Brigatinib

CAS: 1197953-54-0
Formula: C₂₉H₃₉ClN₇O₂P
MW: 584.1 g/mol

VQ-021875

Reference Standard

Brimonidine

CAS: 59803-98-4
Formula: C₁₁H₁₀BrN₅
MW: 292.13 g/mol

In stock

Reference Standard

Brimonidine Tartrate

CAS: 70359-46-5
Formula: C₁₅H₁₆BrN₅O₆
MW: 442.22 g/mol

In stock

Reference Standard

Brivanib

CAS: 649735-46-6
Formula: C₁₉H₁₉FN₄O₃
MW: 370.4 g/mol

VQ-043077

Reference Standard

Brivaracetam

CAS: 357336-20-0
Formula: C₁₁H₂₀N₂O₂
MW: 212.29 g/mol

VQ-024646

Reference Standard

Brivudine

CAS: 69304-47-8
Formula: C₁₁H₁₃BrN₂O₅
MW: 333.13 g/mol

VQ-024657

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API Reference Standards

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