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142696-11-5

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142696-11-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142696-11-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,6,9 and 6 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 142696-11:
(8*1)+(7*4)+(6*2)+(5*6)+(4*9)+(3*6)+(2*1)+(1*1)=135
135 % 10 = 5
So 142696-11-5 is a valid CAS Registry Number.

142696-11-5Downstream Products

142696-11-5Relevant articles and documents

Synthesis and Amino Acid Chain Extension of 1-Acylated Hydroxymethylpyrroles

Abell, Andrew D.,Litten, J. Christopher

, p. 1473 - 1484 (2007/10/02)

Acylation of pyrrole-2-carbaldehyde (3) with an N-phthaloyl amino acid chloride, N,N-diisopropylethylamine and 4-dimethylaminopyridine (dmap) gave the 1-acylpyrrole-2-carbaldehydes (4a-c).The 1-acylated pyrroles (4d-i), (8) and (9) were similarly prepared

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