>Cat. No: VLG201
CAS Number: 73-40-5
Product Details: Mol. Formula: C5H5N5O,Mol. Weight: 151.13
IUPAC: 2-amino-1,7-dihydropurin-6-one
Synonyms: guanine, 73-40-5, 2-Amino-6-hydroxypurine, Guanin
Stock Status: Ready Stock
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Valaciclovir EP Impurity A/ Valganciclovir related compound B
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>Cat. No: VLG201
CAS Number: 73-40-5
Product Details: Mol. Formula: C5H5N5O,Mol. Weight: 151.13
IUPAC: 2-amino-1,7-dihydropurin-6-one
Synonyms: guanine, 73-40-5, 2-Amino-6-hydroxypurine, Guanin
Stock Status: Ready Stock
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Valproic Acid EP Impurity K
Cat. No: IS2-386
CAS Number: 5343-52-2
Product Details: Molecular Formula : C8H16O2; MW : 144.21
IUPAC: 2-ethyl-2-methylpentanoic acid
Synonyms: 2-Ethyl-2-methylpentanoic acid; 5343-52-2; 2-ethyl-2-methyl valeric ccid; Pentanoic acid, 2-ethyl-2-methyl-; poly(2-propylacrylic acid); 2-ethyl-2-methyl-pentanoic acid
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Pramipexole EP Impurity D/ RC D
Cat. No: IS2-377
CAS Number: 104632-28-2
Product Details: Molecular Formula : C1H17N3S; MW : 211.33
IUPAC: (6R)-6-N-propyl-4,5,6,7-tetrahydro-1,3-benzothiazole-2,6-diamine
Synonyms: Dexpramipexole; 14632-28-2; (R)-PRAMIPEXOLE; (R)-N6-propyl-4,5,6,7-tetrahydrobenzo[d]thiazole-2,6-diamine; UNII-WI638GUS96; R-(+)-Pramipexole
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Valproic Acid EP Impurity B
Cat. No: IS2-391
CAS Number: 20225-24-5
Product Details: Molecular Formula : C7H14O2; MW : 13.18
IUPAC: 2-ethylpentanoic acid
Synonyms: 2-ETHYLPENTANOIC ACID; 2225-24-5; Pentanoic acid, 2-ethyl-; 2-Ethyl-2-propylacetic acid; alpha-ethyl valeric acid; 2-ethyl-pentanoic acid
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Cetrizine Ep impurity C
Cat. No: IS2-399
CAS Number: 83881-59-8
Product Details: Molecular Formula : C21H25ClN2O3; MW : 388.9
IUPAC: 2-[2-[4-[(2-chlorophenyl)-phenylmethyl]piperazin-1-yl]ethoxy]acetic acid
Synonyms: Cetirizine impurity C; 2-Chlorocetirizine; 83881-59-8; 2-[2-[4-[(2-chlorophenyl)-phenylmethyl]piperazin-1-yl]ethoxy]acetic acid; (RS)-2-[2-[4-[(2-Chloro-phenyl)phenylMethyl]piperazin-1-yl]ethoxy]aceticAcidDihydrochloride; Cetirizine 2-Chloro Impurity Dihydrochloride
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Valproic Acid EP Impurity E
Cat. No: IS2-390
CAS Number: 626-97-1
Product Details: Molecular Formula : C5H11NO; MW : 11.15
IUPAC: pentanamide
Synonyms: Pentanamide; Valeramide; 626-97-1; N-VALERAMIDE; Pentanimidic acid; UNII-TKL9TN43QK
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Cetirizine EP Impurity G
Cat. No: IS2-395
CAS Number: 109806-71-5
Product Details: Molecular Formula : C19H23ClN2O; MW : 33.8
IUPAC: 2-[4-[(4-chlorophenyl)-phenylmethyl]piperazin-1-yl]ethanol
Synonyms: 1986-71-5; 4-((4-Chlorophenyl)phenylmethyl)-1-piperazineethanol; 2-[4-[(4-chlorophenyl)-phenylmethyl]piperazin-1-yl]ethanol; 2-[4-[(4-Chlorophenyl)(phenyl)methyl]-1-piperazinyl]ethanol; Cetirizine impurity G; Cetirizine ethanol
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Azithromycin Imp-A
Cat. No: IS2-380
CAS Number: 76801-85-9
Product Details: Molecular Formula : C37H7N2O12; MW : 735
IUPAC: (2R,3S,4R,5R,8R,1S,11R,12S,13S,14R)-11-[4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-3,4,1-trihydroxy-13-(5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl)oxy-3,5,8,1,12,14-hexamethyl-1-oxa-6-azacyclopentadecan-15-one
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Azithromycin Impurity J
Cat. No: IS2-382
CAS Number: 117693-41-1
Product Details: Molecular Formula : C3H58N2O9; MW : 59.8
IUPAC: (2R,3S,4R,5R,8R,1R,11R,12S,13S,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-3,4,1,13-tetrahydroxy-3,5,6,8,1,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one
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