Catalog division

Impurity Reference Standards

Pharmacopoeial impurities, nitrosamines, metabolites, labelled internal standards and API working standards, each backed by analytical data for method development and QC.

20,060 products6 categories2,050 in stockCOA + SDS with every lot

20,060 products · page 224 of 836

Grid List

Abemaciclib Impurity 32

CAS: 1231930-47-4
Formula: C₁₅H₁₄ClFN₄
MW: 304.75 g/mol

ZX-004300

Abemaciclib Impurity 39

CAS: 1178566-47-6
Formula: C₁₀H₁₆N₄
MW: 192.26 g/mol

ZX-004301

Abemaciclib Metabolites M2

CAS: 1231930-57-6
Formula: C₂₅H₂₈F₂N₈
MW: 478.5 g/mol

ZX-006233

Abeprazan hydrochloride

CAS: 1902954-87-3
Formula: C₁₉H₁₈ClF₃N₂O₃S
MW: 446.9 g/mol

ZX-029491

Abexinostat (PCI-24781)

CAS: 783355-60-2
Formula: C₂₁H₂₃N₃O₅
MW: 397.4 g/mol

ZX-038779

Abietic Acid

CAS: 514-10-3
Formula: C₂₀H₃₀O₂
MW: 302.5 g/mol

ZX-023118

Abietic Acid Impurity 1

CAS: 127-25-3
Formula: C₂₁H₃₂O₂
MW: 316.5 g/mol

ZX-047979

Abiraterone

CAS: 154229-19-3
Formula: C₂₄H₃₁NO
MW: 349.5 g/mol

ZX-006368

Abiraterone 3-Iodine Impurity

CAS: 1268610-38-3
Formula: C₁₉H₂₄I₂
MW: 506.2 g/mol

ZX-027852

Abiraterone Acetate

CAS: 154229-18-2
Formula: C₂₆H₃₃NO₂
MW: 391.5 g/mol

ZX-006369

Abiraterone Acetate 17-Methyl Impurity

CAS: 23930-63-4
Formula: C₂₁H₃₀O₂
MW: 314.5 g/mol

ZX-023121

Abiraterone Acetate 5,6-Epoxide

CAS: 1868064-50-9
Formula: C₂₆H₃₃NO₃
MW: 407.5 g/mol

ZX-020437

Abiraterone Acetate Di Acetoxy Dimer

CAS: 1613026-24-6
Formula: C₄₂H₆₀N₂O₄
MW: 656.9 g/mol

ZX-023127

Abiraterone Acetate Diastereomer

CAS: 2484719-10-8
Formula: C₂₆H₃₃NO₂
MW: 391.5 g/mol

ZX-020442

Abiraterone Acetate N-Acetyl Impurity

CAS: 75980-86-8
Formula: C₂₃H₃₄N₂O₃
MW: 386.5 g/mol

ZX-004302

Abiraterone acetate N-oxide

CAS: 2517964-85-9
Formula: C₂₆H₃₃NO₃
MW: 407.5 g/mol

ZX-019765

Abiraterone Dimer Impurity (Prasteronyl Abiraterone)

CAS: 2484719-09-5
Formula: C₄₃H₅₇NO₂
MW: 619.9 g/mol

ZX-020434

Abiraterone Impurity 25

CAS: 23549-24-8
Formula: C₂₃H₃₃NO₃
MW: 371.5 g/mol

ZX-047980

Abiraterone Impurity 32

CAS: 86770-60-7
Formula: C₁₉H₂₈I₂O
MW: 526.2 g/mol

ZX-020443

Abiraterone Impurity 4

CAS: 2118-32-3
Formula: C₂₃H₃₄O₂
MW: 342.5 g/mol

ZX-020444

Abiraterone Impurity-A

CAS: 53-43-0
Formula: C₁₉H₂₈O₂
MW: 288.4 g/mol

ZX-004303

Abiraterone Impurity-B

CAS: 853-23-6
Formula: C₂₁H₃₀O₃
MW: 330.5 g/mol

ZX-004304

Abiraterone Impurity-C

CAS: 32138-69-5
Formula: C₁₉H₂₇IO
MW: 398.3 g/mol

ZX-004305

Abiraterone Impurity-D

CAS: 979-02-2
Formula: C₂₃H₃₂O₃
MW: 356.5 g/mol

ZX-004306

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list