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120803-00-1

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120803-00-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120803-00-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,8,0 and 3 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 120803-00:
(8*1)+(7*2)+(6*0)+(5*8)+(4*0)+(3*3)+(2*0)+(1*0)=71
71 % 10 = 1
So 120803-00-1 is a valid CAS Registry Number.

120803-00-1Downstream Products

120803-00-1Relevant articles and documents

Simple One-Pot Synthesis of 2-Acylmethylidene-3-methyl-thiazolines

Pauls, Henry W.,Krantz, Allen

, p. 50 - 51 (1989)

2-Acylmethylidene-3-methylthiazolines 3 (R=alkyl or aryl) are obtained from their precursor acids in one operation.Carboxylic acids 1 are activated with carbodiimide, and treated, in situ, in the presence of 4-dimethylaminopyridine, with 3-methyl-2-methylidene-4-thiazoline (6) (derived from thiazolium salt 2) to yield 2-acylmethylidene-3-methylthiazolines 3.

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