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

Landiolol Hydrochloride

CAS: 144481-98-1
Formula: C₂₅H₄₀ClN₃O₈
MW: 546.1 g/mol

VQ-037877

Reference Standard

Lanreotide Acetate

CAS: 127984-74-1
Formula: C₅₆H₇₃N₁₁O₁₂S₂
MW: 1156.4 g/mol

VQ-043201

Reference Standard

Lansoprazole Sodium

CAS: 226904-00-3
Formula: C₁₆H₁₃F₃N₃NaO₂S
MW: 391.3 g/mol

VQ-043203

Reference Standard

Lansoprazole WS

CAS: 103577-45-3
Formula: C₁₆H₁₄F₃N₃O₂S
MW: 369.4 g/mol

In stock

Reference Standard

Lapatinib

CAS: 231277-92-2
Formula: C₂₉H₂₆ClFN₄O₄S
MW: 581.1 g/mol

VQ-026364

Reference Standard

Lapatinib ditosylate monohydrate

CAS: 388082-78-8
Formula: C₄₃H₄₄ClFN₄O₁₁S₃
MW: 943.5 g/mol

VQ-037886

Reference Standard

Lappaconitine Hydrobromide

CAS: 97792-45-5
Formula: C₃₂H₄₅BrN₂O₈
MW: 665.6 g/mol

VQ-037887

Reference Standard

Laquinimod Sodium

CAS: 248282-07-7
Formula: C₁₉H₁₆ClN₂NaO₃
MW: 378.8 g/mol

VQ-037888

Reference Standard

Larotrectinib Sulphate WS

CAS: 1223405-08-0
Formula: C₂₁H₂₄F₂N₆O₆S
MW: 526.5 g/mol

In stock

Reference Standard

Larotrectinib WS

CAS: 1223403-58-4
Formula: C₂₁H₂₂F₂N₆O₂
MW: 428.4 g/mol

VQ-007527

Reference Standard

Lasalocid

CAS: 25999-31-9
Formula: C₃₄H₅₄O₈
MW: 590.8 g/mol

VQ-037898

Reference Standard

Lasalocid A Sodium Salt

CAS: 25999-20-6
Formula: C₃₄H₅₃NaO₈
MW: 612.8 g/mol

VQ-037897

Reference Standard

Lasiocarpine

CAS: 303-34-4
Formula: C₂₁H₃₃NO₇
MW: 411.5 g/mol

VQ-037902

Reference Standard

Lasmiditan

CAS: 439239-90-4
Formula: C₁₉H₁₈F₃N₃O₂
MW: 377.4 g/mol

VQ-037904

Reference Standard

Lasmiditan Hemisuccinate

CAS: 439239-92-6
Formula: C₄₂H₄₂F₆N₆O₈
MW: 872.8 g/mol

VQ-037906

Reference Standard

Lasofoxifene

CAS: 180916-16-9
Formula: C₂₈H₃₁NO₂
MW: 413.5 g/mol

VQ-043504

Reference Standard

Latamoxef

CAS: 64952-97-2
Formula: C₂₀H₂₀N₆O₉S
MW: 520.5 g/mol

VQ-037907

Reference Standard

Latanoprost WS

CAS: 130209-82-4
Formula: C₂₆H₄₀O₅
MW: 432.6 g/mol

In stock

Reference Standard

Latrepirdine

CAS: 3613-73-8
Formula: C₂₁H₂₅N₃
MW: 319.4 g/mol

VQ-048807

Reference Standard

Lazertinib

CAS: 1903008-80-9
Formula: C₃₀H₃₄N₈O₃
MW: 554.6 g/mol

VQ-007529

Reference Standard

Lazertinib Mesylate Monohydrate

CAS: 2411549-88-5
Formula: C₃₁H₄₀N₈O₇S
MW: 668.8 g/mol

In stock

Reference Standard

Lecirelin

CAS: 61012-19-9
Formula: C₅₉H₈₄N₁₆O₁₂
MW: 1209.4 g/mol

VQ-031457

Reference Standard

Ledipasvir

CAS: 1256388-51-8
Formula: C₄₉H₅₄F₂N₈O₆
MW: 889 g/mol

VQ-031458

Reference Standard

Ledipasvir Acetone

CAS: 1441674-54-9
Formula: C₅₂H₆₀F₂N₈O₇
MW: 947.1 g/mol

VQ-048811

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API Reference Standards

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