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2H-Pyran-2-one, tetrahydro-5-methyl-, (5S)-, also known as (5S)-tetrahydro-5-methyl-2H-pyran-2-one, is a chiral organic compound with the molecular formula C6H10O2. It is a derivative of the parent compound 2H-pyran-2-one, which is a heterocyclic compound containing a pyran ring and a carbonyl group. The tetrahydro prefix indicates that the compound has undergone hydrogenation, resulting in a saturated six-membered ring structure. The 5-methyl group is attached to the fifth carbon atom of the pyran ring, and the (5S)- notation specifies the stereochemistry of the compound, indicating that the methyl group is positioned on the same side of the molecule as the hydroxyl group when viewed from the perspective of the carbonyl group. 2H-Pyran-2-one, tetrahydro-5-methyl-, (5S)- is of interest in organic chemistry and may have potential applications in the synthesis of various pharmaceuticals and natural products.

1121-72-8

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1121-72-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1121-72-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,2 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1121-72:
(6*1)+(5*1)+(4*2)+(3*1)+(2*7)+(1*2)=38
38 % 10 = 8
So 1121-72-8 is a valid CAS Registry Number.

1121-72-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name (5S)-5-methyloxan-2-one

1.2 Other means of identification

Product number -
Other names (-)-(5S)-5-methyl-tetrahydropyran-2-one

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:1121-72-8 SDS

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