Entecavir Impurity 21

SZ CAT No:	SZ-E014038
CAS No	NA
Mol.F.	C12H15N5O3
Mol.Wt.	277.3
Inv. Status	Custom Synthesis

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Chemical Name: 2-Amino-9-((1R,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one compound with 2-amino-9-((1S,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one (1:1)

Shipping Temperature: Ambient

HSN Code: 38229010

Country of Origin: India

Smiles: O=C1NC(N)=NC2=C1N=CN2[C@H]3C([C@@H](CO)[C@@H](O)C3)=C.O=C4NC(N)=NC5=C4N=CN5[C@@H]6C([C@H](CO)[C@H](O)C6)=C

Entecavir Impurity 21 is chemically 2-Amino-9-((1R,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one compound with 2-amino-9-((1S,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one (1:1). Entecavir Impurity 21 is supplied with detailed characterization data compliant with regulatory guideline. Entecavir Impurity 21 can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Entecavir.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. SynZeal products are for analytical purpose only and not for human use.

Entecavir Impurity 21

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SZ CAT No:	: SZ-E014001
CAS No	: 209216-23-9
Mol.F.	: C12H15N5O3 : H2O
Mol.Wt.	: 277.3 : 18.0
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014002
CAS No	: NA
Mol.F.	: C12H15N5O3
Mol.Wt.	: 277.3
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014003
CAS No	: 1367369-77-4
Mol.F.	: C12H15N5O3
Mol.Wt.	: 277.3
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014004
CAS No	: 2204369-23-1
Mol.F.	: C12H15N5O4
Mol.Wt.	: 293.3
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014005
CAS No	: 1367369-80-9
Mol.F.	: C12H15N5O3
Mol.Wt.	: 277.3
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014006
CAS No	: 2349444-69-3
Mol.F.	: C13H17N5O4
Mol.Wt.	: 307.3
Inv. Status	: Custom Synthesis

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CAS No	: 649761-24-0
Mol.F.	: C27H31N5O2Si
Mol.Wt.	: 485.7
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014008
CAS No	: 1984788-96-6
Mol.F.	: C12H15N5O4
Mol.Wt.	: 293.3
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014009
CAS No	: 1367369-78-5
Mol.F.	: C12H15N5O3
Mol.Wt.	: 277.3
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014014
CAS No	: 870614-82-7
Mol.F.	: C14H21N5O3Si
Mol.Wt.	: 335.4
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014017
CAS No	: 1367369-76-3
Mol.F.	: C12H15N5O3
Mol.Wt.	: 277.3
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014018
CAS No	: 188399-46-4
Mol.F.	: C12H15N5O3
Mol.Wt.	: 277.3
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014019
CAS No	: NA
Mol.F.	: C12H15N5O4
Mol.Wt.	: 293.3
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014021
CAS No	: 142217-81-0
Mol.F.	: C26H27N5O3
Mol.Wt.	: 457.5
Inv. Status	: In Stock

SZ CAT No:	: SZ-E014022
CAS No	: NA
Mol.F.	: C12H15N5O4
Mol.Wt.	: 293.3
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014023
CAS No	: NA
Mol.F.	: C14H21N5O3Si
Mol.Wt.	: 335.4
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014024
CAS No	: 142217-78-5
Mol.F.	: C52H49N5O5
Mol.Wt.	: 824
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014025
CAS No	: 142217-79-6
Mol.F.	: C52H47N5O5
Mol.Wt.	: 822
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014026
CAS No	: 142217-80-9
Mol.F.	: C53H49N5O4
Mol.Wt.	: 820
Inv. Status	: Custom Synthesis

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CAS No	: NA
Mol.F.	: C33H33N5O3
Mol.Wt.	: 547.7
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014028
CAS No	: 84868-56-4
Mol.F.	: C21H20O2
Mol.Wt.	: 304.4
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014029
CAS No	: NA
Mol.F.	: C21H27N5O3Si
Mol.Wt.	: 425.6
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014030
CAS No	: 1354695-74-1
Mol.F.	: C52H49N5O5
Mol.Wt.	: 824
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014031
CAS No	: 1354695-85-4
Mol.F.	: C26H27N5O3
Mol.Wt.	: 457.5
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014032
CAS No	: 1661867-19-1
Mol.F.	: C52H47N5O3
Mol.Wt.	: 790
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014033
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Mol.F.	: C51H47N5O4
Mol.Wt.	: 794
Inv. Status	: Custom Synthesis

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CAS No	: 142217-77-4
Mol.F.	: C32H33N5O4
Mol.Wt.	: 551.6
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014035
CAS No	: 1354695-84-3
Mol.F.	: C26H27N5O3
Mol.Wt.	: 457.5
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-E014036
CAS No	: NA
Mol.F.	: C12H15N5O4
Mol.Wt.	: 293.3
Inv. Status	: Custom Synthesis

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CAS No	: NA
Mol.F.	: C12H13N5O2
Mol.Wt.	: 259.3
Inv. Status	: Custom Synthesis