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Tetrahydro-3-methyl-2H-thiopyran is a cyclic sulfur-containing organic compound with the molecular formula C6H12S. It is a colorless liquid with a strong, pungent odor. Tetrahydro-3-methyl-2H-thiopyran is a derivative of thiopyran, which is a heterocyclic compound consisting of a six-membered ring with one sulfur atom and five carbon atoms. The "3-methyl" part of its name indicates that there is a methyl group (CH3) attached to the third carbon atom in the ring. The "tetrahydro" prefix signifies that four hydrogen atoms have been added to the parent thiopyran structure, resulting in a saturated ring. Tetrahydro-3-methyl-2H-thiopyran is used as a synthetic intermediate in the production of various chemicals and pharmaceuticals, and it is also found in some natural products.

5258-50-4

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5258-50-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5258-50-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,5 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 5258-50:
(6*5)+(5*2)+(4*5)+(3*8)+(2*5)+(1*0)=94
94 % 10 = 4
So 5258-50-4 is a valid CAS Registry Number.
InChI:InChI=1/C6H12S/c1-6-3-2-4-7-5-6/h6H,2-5H2,1H3

5258-50-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 3-methyl-thiane

1.2 Other means of identification

Product number -
Other names 2H-Thiopyran, tetrahydro-3-methyl-

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:5258-50-4 SDS

5258-50-4Relevant academic research and scientific papers

Regioselective chlorination of phenols in the presence of tetrahydrothiopyran derivatives

Smith, Keith,Williams, Des,El-Hiti, Gamal A.

, p. 529 - 538 (2019/06/13)

Four six-membered cyclic sulfides, namely tetrahydrothiopyran, 3-methyltetrahydrothiopyran, 4-methyltetrahydrothiopyran and 4,4-dimethyltetrahyrdrothiopyran have been used as moderators in chlorination reactions of various phenols with sulfuryl chloride in the presence of aluminum or ferric chloride. On chlorination of phenol, ortho-cresol and meta-cresol the para/ortho chlorination ratios and yields of the para-chloro isomers are higher than when no cyclic sulfide is used for all of the cyclic sulfides, but chlorination of meta-xylenol is less consistent, with some cyclic sulfides producing higher p/o ratios and others producing lower ratios than reactions having no sulfide present.

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