Aciclovir EP Impurity B

SZ CAT No:	SZ-A017003
CAS No	73-40-5
Mol.F.	C5H5N5O
Mol.Wt.	151.1
Inv. Status	Custom Synthesis
Rel. CAS No	635-39-2 (HCl salt) ; 10333-92-3 (Sulfate salt) ; 67018-58-0 (Na salt)

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Chemical Name: 2-amino-1,7-dihydro-6H-purin-6-one (as per EP & USP)

Synonym: Guanine (EP & USP) ; Valaciclovir EP Impurity A ; Valaciclovir USP Related Compound A

Shipping Temperature: Ambient

HSN Code: 38229010

Country of Origin: India

Smiles: O=C1NC(N)=NC2=C1N=CN2

Compatible stability of vidarabine monophosphate for injection and aciclovir injection
By Liu, Yuelin
From Zhongguo Yaofang (2016), 27(5), 616-618

Determination of aciclovir and ganciclovir in human plasma by liquid chromatography-spectrofluorimetric detection and stability studies in blood samples
By Perrottet, N.; Beguin, A.; Meylan, P.; Pascual, M.; Manuel, O.; Buclin, T.; Biollaz, J.; Decosterd, L. A.
From Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences (2007), 852(1-2), 420-429

Aciclovir EP Impurity B is chemically 2-amino-1,7-dihydro-6H-purin-6-one (as per EP & USP). It is also known as Guanine (EP & USP) ; Valaciclovir EP Impurity A ; Valaciclovir USP Related Compound A. Aciclovir EP Impurity B is supplied with detailed characterization data compliant with regulatory guideline. Aciclovir EP Impurity B 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 Aciclovir.

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.

Aciclovir EP Impurity B

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SZ CAT No:	: SZ-A017001
CAS No	: 59277-89-3
Mol.F.	: C8H11N5O3
Mol.Wt.	: 225.2
Inv. Status	: In Stock
Rel. CAS No	: 69657-51-8 (Na salt) ; 192802-33-8 (K salt) ; 1628039-62-2 (HCl salt)

SZ CAT No:	: SZ-A017002
CAS No	: 102728-64-3
Mol.F.	: C10H13N5O4
Mol.Wt.	: 267.2
Inv. Status	: In Stock

SZ CAT No:	: SZ-A017003
CAS No	: 73-40-5
Mol.F.	: C5H5N5O
Mol.Wt.	: 151.1
Inv. Status	: Custom Synthesis
Rel. CAS No	: 635-39-2 (HCl salt) ; 10333-92-3 (Sulfate salt) ; 67018-58-0 (Na salt)

SZ CAT No:	: SZ-A017004
CAS No	: 91702-61-3
Mol.F.	: C8H11N5O3
Mol.Wt.	: 225.2
Inv. Status	: Out of Stock

SZ CAT No:	: SZ-A017005
CAS No	: 110104-37-5
Mol.F.	: C10H13N5O4
Mol.Wt.	: 267.2
Inv. Status	: Out of Stock

SZ CAT No:	: SZ-A017006
CAS No	: 75128-73-3
Mol.F.	: C12H15N5O5
Mol.Wt.	: 309.2
Inv. Status	: In Stock

SZ CAT No:	: SZ-A017007
CAS No	: 1797832-75-7
Mol.F.	: C14H16N10O4
Mol.Wt.	: 388.3
Inv. Status	: In Stock

SZ CAT No:	: SZ-A017008
CAS No	: 166762-90-9
Mol.F.	: C14H16N10O4
Mol.Wt.	: 388.3
Inv. Status	: In Stock

SZ CAT No:	: SZ-A017009
CAS No	: 1797131-64-6
Mol.F.	: C17H22N10O6
Mol.Wt.	: 462.4
Inv. Status	: In Stock

SZ CAT No:	: SZ-A017010
CAS No	: 3056-33-5
Mol.F.	: C9H9N5O3
Mol.Wt.	: 235.2
Inv. Status	: In Stock

SZ CAT No:	: SZ-A017011
CAS No	: 91702-60-2
Mol.F.	: C12H15N5O5
Mol.Wt.	: 309.2
Inv. Status	: In Stock

SZ CAT No:	: SZ-A017023
CAS No	: NA
Mol.F.	: C9H13N5O4
Mol.Wt.	: 255.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A017012
CAS No	: 23169-33-7
Mol.F.	: C7H9N5O2
Mol.Wt.	: 195.2
Inv. Status	: In Stock

SZ CAT No:	: SZ-A017013
CAS No	: NA
Mol.F.	: 2(C9H13N5O4)
Mol.Wt.	: 2(255.2)
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A017014
CAS No	: NA
Mol.F.	: C17H22N10O6
Mol.Wt.	: 462.4
Inv. Status	: In Stock

SZ CAT No:	: SZ-A017018
CAS No	: 1195518-98-9
Mol.F.	: C7H7N5O2
Mol.Wt.	: 193.1
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A017019
CAS No	: 19962-37-9
Mol.F.	: C7H7N5O2
Mol.Wt.	: 193.1
Inv. Status	: In Stock
Rel. CAS No	: 123131-38-4 (Na salt)

SZ CAT No:	: SZ-A017020
CAS No	: NA
Mol.F.	: C18H20N10O6
Mol.Wt.	: 472.4
Inv. Status	: Limited Stock

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CAS No	: 1417988-85-2
Mol.F.	: C18H20N10O6
Mol.Wt.	: 472.4
Inv. Status	: In Stock

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CAS No	: NA
Mol.F.	: C11H13N5O4
Mol.Wt.	: 279.2
Inv. Status	: Custom Synthesis

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CAS No	: 80685-22-9
Mol.F.	: C8H9N5O4
Mol.Wt.	: 239.1
Inv. Status	: Out of Stock

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CAS No	: 80685-23-0
Mol.F.	: C8H11N5O4
Mol.Wt.	: 241.2
Inv. Status	: In Stock

SZ CAT No:	: SZ-A017037
CAS No	: 1195360-46-3
Mol.F.	: C11H18O7
Mol.Wt.	: 262.3
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A017027
CAS No	: NA
Mol.F.	: C14H18N10O4
Mol.Wt.	: 390.4
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-A017017
CAS No	: NA
Mol.F.	: C13H17N5O6
Mol.Wt.	: 339.3
Inv. Status	: In Stock

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CAS No	: 2190509-40-9
Mol.F.	: C9H13N5O4
Mol.Wt.	: 255.2
Inv. Status	: Custom Synthesis

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CAS No	: 1185179-33-2
Mol.F.	: C8H7D4N5O3
Mol.Wt.	: 229.2
Inv. Status	: Custom Synthesis

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CAS No	: 142963-63-1
Mol.F.	: C14H22N6O4
Mol.Wt.	: 338.4
Inv. Status	: In Stock