Impurity Standards

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Rosuvastatin Enantiomer

Product Code:
DH/RSV/1006
Molecular Formula:
C22H27FN3O6S.1/2Ca
CAS Number:
1242184-42-4
Molecular Weight:
500.5
Synonyms: (3S,5R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl) amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid calcium salt; Rosuvastatin EP Impurity G; enti-Rosuvastatin Calcium; (3S,5R)-Rosuvastatin Calcium; Rosuvastatin Related Compound D


Rosuvastatin Methyl Ester

Product Code:
DH/RSV/1007
Molecular Formula:
C23H30FN3O6S
CAS Number:
147118-40-9
Molecular Weight:
495.56
Synonyms: : (3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-(methyl-methyl sulfonyl-amino)-pyrimidin-5-yl]-3,5-dihydroxy-hept-6-enoic acid methyl esteR


Saxagliptin Dione Impurity

Product Code:
DH/SXN/1001
Molecular Formula:
C18H24N2O3
CAS Number:
1350800-77-9
Molecular Weight:
316.39
Synonyms: (1aS,4S,6aR,7aS)-Hexahydro-4-(3-hydroxytricyclo[3.3.1.13,7]dec-1-yl)-1H-cyclopropa[4,5]pyrrolo[1,2-a]pyrazine-3,6-dione


Saxagliptin Imine Impurity

Product Code:
DH/SXN/1002
Molecular Formula:
C18H25N3O2
CAS Number:
1350800-76-8
Molecular Weight:
315.41
Synonyms: (1aS,4S,6aR,7aS)-6-Imino-1,1a,4,6a,7,7a-hexahydro-4-(3-hydroxytricyclo [3.3.1.13,7] dec-1-yl)-3H-Cyclopropa[4,5]pyrrolo[1,2-a]pyrazin-3-one


Saxagliptin (R,R,R,R)-Isomer

Product Code:
SXN/1003
Molecular Formula:
C18H25N3O2
CAS Number:
1564265-95-7
Molecular Weight:
315.41
Synonyms: (1R,3R,5R)-2-[(2R)-2-Amino-2-(3-hydroxy-1-adamantyl)acetyl]-2-azabicyclo [3.1.0] hexane-3-carbonitrile


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