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158782-32-2

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158782-32-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158782-32-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,7,8 and 2 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 158782-32:
(8*1)+(7*5)+(6*8)+(5*7)+(4*8)+(3*2)+(2*3)+(1*2)=172
172 % 10 = 2
So 158782-32-2 is a valid CAS Registry Number.

158782-32-2Relevant articles and documents

3-ACYL-1-TOSYLPYRROLES AS EXCELLENT PRECURSORS OF 3-VINYLIDENEPYRROLES

Settambolo, Roberta,Mazzetti, Michele,Pini, Dario,Pucci, Sergio,Lazzaroni, Raffaello

, p. 173 - 176 (2007/10/02)

Two simple general methods for the synthesis of 3-vinylidenepyrroles 4a - c both starting from 3-acyl-1-tosylpyrroles have been developed.The simplest term of this class, 3-(1-methylethenyl)pyrrole, 4a, and the congeners 3-(1-phenylethenyl)pyrrole, 4b, an

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