Impurity-9

CAS No: 23202-81-5
Chemical Name:
methyl 2,3-O-1-methylethylidene-5-Deoxy-D-ribofuranoside
Molecular Formula:
C9H16O4

Impurity-10

CAS No: 4625-13-2
Chemical Name:
1,5-dihydro-2,3-Oisopropylidene-D-ribofuranoside
Molecular Formula:
C8H12O4

Impurity-4

CAS No: NA
Chemical Name:
(2S,3R,4R,5R)-5-methyltetrahydrofuran-2,3,4-triyl triacetate
Molecular Formula:
C11H16O7

Impurity-5

CAS No: 678134-68-0
Chemical Name:
2,3-O-(1-methylethylidene)-D-ribofuranoside
Molecular Formula:
C8H14O5

Impurity-6

CAS No: 4099-85-8
Chemical Name:
methyl 2,3-O-(1-methylethylidene)-beta-D-ribofuranoside
Molecular Formula:
C9H16O5

Impurity-7

CAS No: 50610-99-6
Chemical Name:
methyl 2,3-O-methylethylidene-5-O-(methylsulfonyl)-beta-D-ribofuranoside
Molecular Formula:
C10H18O7S

Impurity-8

CAS No: 4137-56-8
Chemical Name:
methyl 2,3-O-methylethylidene-5-O-(tosyl)-beta-D-ribofuranoside
Molecular Formula:
C16H22O7S

USP 1.20 RRT/2-O-BDR

CAS No: 1262133-68-5
Chemical Name:
 5'-Deoxy-3'-O-(5-deoxy-α-D-ribofuranosyl)-5-fluoro-N-[(pentyloxy)carbonyl]cytidine;
Molecular Formula:
C20H32FN3O9

Impurity-I

CAS No: NA
Chemical Name:
(2R,3R,4R,5R)-2-(4-amino-2-oxopyrimidin-1(2H)-yl)-5-methyltetrahydrofuran-3,4-diyl diacetate
Molecular Formula:
C13H17N3O6

Desfluoro Capecitabine

CAS No: NA
Chemical Name:
pentyl 1-((2R,3R,4S,5R)-3,4-dihydroxy-5-methyltetrahydrofuran-2-yl)-2-oxo-1,2,3,4-tetrahydropyrimidin-4-ylcarbamate
Molecular Formula:
C15H25N3O6

Impurity-3

CAS No: 396684-42-7
Chemical Name:
Pentyl (1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-fluoro-2-oxo-1,2-dihydropyrimidin-4-yl)carbamate
Molecular Formula:
C15H22FN3O7

EP impurity G/USP 1.37 RRT

CAS No: 162204-20-8
Chemical Name:
2′,3′-Di-O-acetyl-5′-deoxy-5-fluoro-N4-(pentyloxycarbonyl)cytidine
Molecular Formula:
C19H26FN3O8

USP 1.06 RRT/3-O-BDR

CAS No: 1262133-64-1
Chemical Name:
[1-[5-Deoxy-3-O-(5-deoxy-ß-d-ribofuranosyl)-ß-d-ribofuranosyl]-5-fluoro-2-oxo-1,2-dihydropyrimidin-4-yl]-carbamic acid pentyl ester
Molecular Formula:
C20H32FN3O9

USP 1.09 RRT/2-O-BDR

CAS No: 1262133-66-3
Chemical Name:
[1-[5-Deoxy-2-O-(5-deoxy-β-d-ribofuranosyl)-β-d-ribofuranosyl]-5-fluoro-2-oxo-1,2-dihydropyrimidin-4-yl]-carbamic acid pentyl ester
Molecular Formula:
C20H32FN3O9

EP impurity E/USP 0.95 RRT

CAS No: 162204-30-0
Chemical Name:
3-Methylbutyl [1-(5-deoxy-β-D-ribofuranosyl)-5-fluoro-2-oxo-1,2-dihydropyrimidin-4-yl]carbamate 
Molecular Formula:
C15H22FN3O6

EP impurity F/USP 1.11 RRT

CAS No: 921769-65-5
Chemical Name:
2′,3′-O-Carbonyl-5′-deoxy-5-fluoro-N4-(pentyloxycarbonyl)cytidine
Molecular Formula:
: C16H20FN3O7

Reference standared

CAS No: 154361-50-9
Chemical Name:
Pentyl [1-(5-deoxy-ß-D-ribofuranosyl)-5-fluoro-2-oxo-1,2-dihydropyrimidin-4-yl]carbamate
Molecular Formula:
C15H22FN3O6

EP impurity C/USP 0.36 RRT

CAS No: 161599-46-8
Chemical Name:
1-(2,3-di-O-acetyl-5-deoxy-β-D-ribofuranosyl)-4-amino-5-fluoropyrimidin-2(1H)-one
Molecular Formula:
C13H16FN3O6

EP impurity D/USP 0.95 RRT

CAS No: 910129-15-6
Chemical Name:
(2RS)-2-Methylbutyl [1-(5-deoxy-β-D-ribofuranosyl)-5-fluoro-2-oxo-1,2-dihydropyrimidin-4-yl]carbamate 
Molecular Formula:
C15H22FN3O6