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126979-03-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126979-03-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,9,7 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 126979-03:
161 % 10 = 1
So 126979-03-1 is a valid CAS Registry Number.



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


1.1 GHS Product identifier

Product name (E)-2-(2-oxopropylidene)thiazolidine

1.2 Other means of identification

Product number -
Other names 2-acetonylidene-1,3-thiazolidine

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:126979-03-1 SDS

126979-03-1Downstream Products

126979-03-1Relevant articles and documents

Determination of the Chemical Structure of the Intense Roasty, Popcorn-like Odorant 5-Acetyl-2,3-dihydro-1,4-thiazine

Hofmann, Thomas,Haessner, Rainer,Schieberle, Peter

, p. 2195 - 2198 (1995)

The chemical structure of a novel intense popcorn-like odorant isolated from the reaction of cysteine and ribose was studied by one- and two-dimensional NMR spectroscopy and high-resolution mass spectrometry, and the structure elucidation was confirmed by synthetic experiments.Thus, the odorant was identified as 5-acetyl-2,3-dihydro-1,4-thiazine (ADT).A sensory study including 5-propionyl-(PDT) and 5-butanoyl-2,3-dihydro-1,4-thiazine (BDT) revealed that also PDT and BDT elicited roasty, popcorn-like odors.However, the odor threshold of the BDT was by a factor of 50 000 higher than those ADT and PDT (0.06 and 0.1 ng/L of air, respectively).Keywords: 5-Acetyl-2,3-dihydro-1,4-thiazine; 5-propionyl-2,3-dihydro-1,4-thiazine; 5-butanoyl-2,3-dihydro-1,4-thiazine; odor threshold; synthesis; cysteamine; 2,3-butanedione

Synthesis of Acetyl-Substituted Heterocyclic Ketene Aminals and Their Deactylation Reaction

Wang, He-Ting,Wang, Xiao-Jun,Huang, Zhi-Tang

, p. 2141 - 2145 (2007/10/02)

The acetyl-substituted heterocyclic ketene aminals 3-6 were synthesized by the reaction of ketene dithioacetals 2 with diamines.The deacetylation of heterocyclic diacetyl ketene-aminals by alkali was studied, and the corresponding monoacetyl derivatives were studied.

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