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

Zephirol

CAS: 139-07-1
Formula: C₂₁H₃₈ClN
MW: 340 g/mol

VQ-034736

Reference Standard

Zeranol

CAS: 26538-44-3
Formula: C₁₈H₂₆O₅
MW: 322.4 g/mol

VQ-042999

Reference Standard

Zidebactam

CAS: 1436861-97-0
Formula: C₁₃H₂₁N₅O₇S
MW: 391.4 g/mol

VQ-043001

Reference Standard

Zidovudine

CAS: 30516-87-1
Formula: C₁₀H₁₃N₅O₄
MW: 267.24 g/mol

VQ-024047

Reference Standard

Zileuton

CAS: 111406-87-2
Formula: C₁₁H₁₂N₂O₂S
MW: 236.29 g/mol

VQ-034738

Reference Standard

Zilpaterol

CAS: 119520-05-7
Formula: C₁₄H₁₉N₃O₂
MW: 261.32 g/mol

VQ-043352

Reference Standard

Zilpaterol Hydrochloride

CAS: 119520-06-8
Formula: C₁₄H₂₀ClN₃O₂
MW: 297.78 g/mol

VQ-043003

Reference Standard

Zilucoplan

CAS: 1841136-73-9
Formula: C₁₇₂H₂₇₈N₂₄O₅₅
MW: 3562 g/mol

VQ-043004

Reference Standard

Zinc acexamate

CAS: 70020-71-2
Formula: C₁₆H₂₈N₂O₆Zn
MW: 409.8 g/mol

VQ-043005

Reference Standard

Zingerone

CAS: 122-48-5
Formula: C₁₁H₁₄O₃
MW: 194.23 g/mol

VQ-038828

Reference Standard

Zingiberene

CAS: 495-60-3
Formula: C₁₅H₂₄
MW: 204.35 g/mol

VQ-039065

Reference Standard

Ziprasidone Hydrochloride

CAS: 122883-93-6
Formula: C₂₁H₂₂Cl₂N₄OS
MW: 449.4 g/mol

In stock

Reference Standard

Ziprasidone Hydrochloride Monohydrate

CAS: 138982-67-9
Formula: C₂₁H₂₄Cl₂N₄O₂S
MW: 467.4 g/mol

VQ-028779

Reference Standard

Ziprasidone(Free Base)

CAS: 146939-27-7
Formula: C₂₁H₂₁ClN₄OS
MW: 412.9 g/mol

VQ-007859

Reference Standard

Zofenopril Calcium

CAS: 81938-43-4
Formula: C₄₄H₄₄CaN₂O₈S₄
MW: 897.2 g/mol

VQ-028788

Reference Standard

Zofenoprilat

CAS: 75176-37-3
Formula: C₁₅H₁₉NO₃S₂
MW: 325.5 g/mol

VQ-028789

Reference Standard

Zoledronic Acid

CAS: 118072-93-8
Formula: C₅H₁₀N₂O₇P₂
MW: 272.09 g/mol

VQ-007860

Reference Standard

Zoledronic Acid Monohydrate

CAS: 165800-06-6
Formula: C₅H₁₂N₂O₈P₂
MW: 290.11 g/mol

In stock

Reference Standard

Zolmitriptan WS

CAS: 139264-17-8
Formula: C₁₆H₂₁N₃O₂
MW: 287.36 g/mol

In stock

Reference Standard

Zonisamide

CAS: 68291-97-4
Formula: C₈H₈N₂O₃S
MW: 212.23 g/mol

VQ-028794

Reference Standard

Zopiclone

CAS: 43200-80-2
Formula: C₁₇H₁₇ClN₆O₃
MW: 388.8 g/mol

In stock

Reference Standard

Zopiclone Dihydrate

CAS: 276248-77-2
Formula: C₁₇H₁₇ClN₆O_3.2H₂O
MW: 424.84 g/mol

VQ-007864

Reference Standard

Zotepine

CAS: 26615-21-4
Formula: C₁₈H₁₈ClNOS
MW: 331.9 g/mol

VQ-034767

Reference Standard

Zuclopenthixol acetate

CAS: 85721-05-7
Formula: C₂₄H₂₇ClN₂O₂S
MW: 443 g/mol

VQ-043021

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API Reference Standards

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