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2H-Thiopyran, also known as 2-oxothiane, is a heterocyclic compound with the molecular formula C4H6OS. It features a six-membered ring structure with one sulfur atom and one oxygen atom, making it a sulfur-containing analog of pyran. 2H-Thiopyran is an important intermediate in the synthesis of various organic compounds, particularly those containing the thiopyran ring system. It can be prepared through various methods, such as the reaction of 2-butyne-1,4-diol with phosphorus pentasulfide or the cyclization of 2-chloro-3-hydroxypropyl sulfide. Due to its unique structure and reactivity, 2H-thiopyran has found applications in the pharmaceutical, agrochemical, and materials science industries.

289-72-5

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289-72-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 289-72-5 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 2 respectively.
Calculate Digit Verification of CAS Registry Number 289-72:
(5*2)+(4*8)+(3*9)+(2*7)+(1*2)=85
85 % 10 = 5
So 289-72-5 is a valid CAS Registry Number.

289-72-5SDS

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 2H-thiopyran

1.2 Other means of identification

Product number -
Other names thiopyrane

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:289-72-5 SDS

289-72-5Upstream product

289-72-5Downstream Products

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