Impurity Reference Standards
API Impurities
Process impurities, isomers, degradants and related compounds for thousands of APIs, characterised for method development, validation and QC release.
Urea, N-(aminoiminomethyl)-N′-(2-deoxy-α-D-erythro-pentopyranosyl)
- CAS
- 570410-68-3
- Formula
- C7H14N4O4
- MW
- 218.21 g/mol
ZX-028894
Uridine 5′-diphosphoglucuronic acid ammonium salt
- CAS
- 43195-60-4
- Formula
- C15H25N3O18P2
- MW
- 597.32 g/mol
ZX-042644
Uridine Diphosphate Choline (UDPC) Sodium Salt
- CAS
- 1772607-47-2
- Formula
- C14H24N3NaO12P2
- MW
- 511.29 g/mol
ZX-032729
Uridine-5'-triphosphate Trisodium Salt Dihydrate
- CAS
- 116295-90-0
- Formula
- C9H16N2Na3O17P3
- MW
- 586.12 g/mol
ZX-018760
Valganciclovir O-Acetyl N-Benzyloxycarbonyl Impurity
- CAS
- 194159-22-3
- Formula
- C24H30N6O8
- MW
- 530.5 g/mol
ZX-027495
Valine, 3-mercapto-N-((5-oxo-2-(phenylmethyl)-4(5H)-oxazolylidene)methyl)
- CAS
- 3264-88-8
- Formula
- C16H18N2O4S
- MW
- 334.4 g/mol
ZX-022495
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