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5H-Thiopyrano[4,3-d]pyrimidine (8CI,9CI) is a heterocyclic organic compound characterized by a pyrimidine ring fused to a thiopyran ring. 5H-Thiopyrano[4,3-d]pyrimidine (8CI,9CI) is a tricyclic structure with a sulfur atom in the pyran ring, which distinguishes it from its oxygen-containing analogs. It is an important building block in the synthesis of various biologically active molecules, such as nucleosides and nucleotides, due to its unique chemical properties. The compound's编号8CI and 9CI refer to its Chemical Abstracts Service registry numbers, which are used to uniquely identify chemical substances. Its chemical formula is C7H7N3S, indicating the presence of seven carbon atoms, seven hydrogen atoms, three nitrogen atoms, and one sulfur atom. The compound's structure and properties make it a valuable intermediate in the development of pharmaceuticals and other specialty chemicals.

253-89-4

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253-89-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 253-89-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,5 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 253-89:
(5*2)+(4*5)+(3*3)+(2*8)+(1*9)=64
64 % 10 = 4
So 253-89-4 is a valid CAS Registry Number.

253-89-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 5H-thiopyrano[4,3-d]pyrimidine

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

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More Details:253-89-4 SDS

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