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1,4-Thiapyran, also known as thiochromene, is a heterocyclic organic compound with the molecular formula C4H4S. It consists of a five-membered ring structure containing four carbon atoms and one sulfur atom, with alternating double bonds. The sulfur atom is located at the 1-position, and the double bond is between the 4th and 5th positions. 1,4-thiapyran is an aromatic molecule, exhibiting unique chemical and physical properties due to its sulfur-containing ring structure. 1,4-Thiapyran is an important building block in the synthesis of various pharmaceuticals, agrochemicals, and other sulfur-containing organic compounds, and it can be used as a precursor in the preparation of various heterocyclic compounds.

289-70-3

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289-70-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 289-70-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,8 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 289-70:
(5*2)+(4*8)+(3*9)+(2*7)+(1*0)=83
83 % 10 = 3
So 289-70-3 is a valid CAS Registry Number.

289-70-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 4H-thiopyran

1.2 Other means of identification

Product number -
Other names 1-Thiapyran

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

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:289-70-3 SDS

289-70-3Upstream product

289-70-3Downstream Products

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