Caffeine EP Impurity B

SZ CAT No:	SZ-C062003
CAS No	7597-60-6
Mol.F.	C7H10N4O3
Mol.Wt.	198.2
Inv. Status	In Stock

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Chemical Name: N-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)formamide (as per EP)

Synonym: Theophylline USP Related Compound C

Shipping Temperature: Ambient

HSN Code: 38229010

Country of Origin: India

Smiles: O=CNC(C(N(C)C1=O)=O)=C(N1C)N

Application of a column classification method in a selectivity study involving caffeine and its related impurities
Jaros"aw Szulfer a , Alina Plenis b , Tomasz Ba˛czek
Talanta Volume 99, 15 September 2012, Pages 492-501

An hplc method for the determination of vitamin b1, caffeine, acetylsalicylic acid, and the impurities of salicylic acid in a pharmaceutical preparation
L. Gamiz-Gracia, M. D. Luque de Castro"
J. liq. chrom. & rel. technol., 20(13), 2123-2133 (1997)

Rapid Spectrophotometric Determination of Caffeine
N. H. Ishler, T. P. Finucane, and Emanuel. Borker
Anal. Chem. 1948, 20, 12, 1162–1166

Simultaneous Determination of Paracetamol, Propyphenazone and Caffeine in Presence of Paracetamol Impurities Using Dual-Mode Gradient HPLC and TLC Densitometry Methods
Hany Ibrahim 1,*, Abdallah M. Hamdy 1,*, Hanan A. Merey2,3 and Ahmed S. Saad
Journal of Chromatographic Science, Volume 59, Issue 2, February 2021, Pages 140–147

Caffeine EP Impurity B is chemically N-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)formamide (as per EP). It is also known as Theophylline USP Related Compound C. Caffeine EP Impurity B is supplied with detailed characterization data compliant with regulatory guideline. Caffeine 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 Caffeine.

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.

SZ CAT No:	: SZ-C062001
CAS No	: 58-08-2
Mol.F.	: C8H10N4O2
Mol.Wt.	: 194.2
Inv. Status	: In Stock
Rel. CAT No	: SZ-C062012 , SZ-D064003 , SZ-P063007 , SZ-T045003 ,

SZ CAT No:	: SZ-C062006
CAS No	: 20041-90-1
Mol.F.	: C7H12N4O
Mol.Wt.	: 168.2
Inv. Status	: In Stock
Rel. CAS No	: 107605-95-8 (HCl salt)

SZ CAT No:	: SZ-C062012
CAS No	: 69-22-7
Mol.F.	: C8H10N4O2 : C6H8O7
Mol.Wt.	: 194.2 : 192.1
Inv. Status	: Custom Synthesis
Rel. CAS No	: 58-08-2 (free base) ; 5743-12-4 (hydrate)
Rel. CAT No	: SZ-C062001 , SZ-D064003 , SZ-P063007 , SZ-T045003 ,

Caffeine EP Impurity B

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SZ CAT No:	: SZ-C062008
CAS No	: 5415-44-1
Mol.F.	: C8H10N4O3
Mol.Wt.	: 210.2
Inv. Status	: In Stock

SZ CAT No:	: SZ-C062D03
CAS No	: 1189713-08-3
Mol.F.	: C7H5D3N4O3
Mol.Wt.	: 199.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C062D02
CAS No	: 383160-11-0
Mol.F.	: C7H5D3N4O3
Mol.Wt.	: 199.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C062011
CAS No	: 54536-15-1
Mol.F.	: C8H12N4O3
Mol.Wt.	: 212.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C062D01
CAS No	: 26351-04-2
Mol.F.	: C8H7D3N4O2
Mol.Wt.	: 197.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C062002
CAS No	: 58-55-9
Mol.F.	: C7H8N4O2
Mol.Wt.	: 180.2
Inv. Status	: In Stock

SZ CAT No:	: SZ-C062003
CAS No	: 7597-60-6
Mol.F.	: C7H10N4O3
Mol.Wt.	: 198.2
Inv. Status	: In Stock

SZ CAT No:	: SZ-C062004
CAS No	: 519-32-4
Mol.F.	: C8H10N4O2
Mol.Wt.	: 194.2
Inv. Status	: Limited Stock

SZ CAT No:	: SZ-C062005
CAS No	: 83-67-0
Mol.F.	: C7H8N4O2
Mol.Wt.	: 180.2
Inv. Status	: In Stock

SZ CAT No:	: SZ-C062007
CAS No	: 611-59-6
Mol.F.	: C7H8N4O2
Mol.Wt.	: 180.2
Inv. Status	: In Stock

SZ CAT No:	: SZ-C062009
CAS No	: NA
Mol.F.	: C7H12N4O3
Mol.Wt.	: 200.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C062010
CAS No	: NA
Mol.F.	: C7H9N4O3 : Na
Mol.Wt.	: 197.2 : 23.0
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C062D04
CAS No	: 78072-66-9
Mol.F.	: C513C3H10N4O2
Mol.Wt.	: 197.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-C062013
CAS No	: NA
Mol.F.	: C7H7N5O3
Mol.Wt.	: 209.2
Inv. Status	: Inquire

SZ CAT No:	: SZ-C062014
CAS No	: NA
Mol.F.	: C7H7N5O3
Mol.Wt.	: 209.2
Inv. Status	: Inquire

SZ CAT No:	: SZ-C062015
CAS No	: NA
Mol.F.	: C7H7N5O3
Mol.Wt.	: 209.2
Inv. Status	: Inquire

SZ CAT No:	: SZ-C062D05
CAS No	: 188297-90-7
Mol.F.	: C7H5D3N4O2
Mol.Wt.	: 183.2
Inv. Status	: Custom Synthesis