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32775-94-3

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32775-94-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 32775-94-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,7,7 and 5 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 32775-94:
(7*3)+(6*2)+(5*7)+(4*7)+(3*5)+(2*9)+(1*4)=133
133 % 10 = 3
So 32775-94-3 is a valid CAS Registry Number.

32775-94-3Relevant articles and documents

An Efficient One-Pot Preparation of 2,4-Pentadienoic Esters from α,β-Unsaturated Aldehydes

Rodriguez, J.,Waegell, B.

, p. 534 - 535 (2007/10/02)

α,β-Unsaturated aldehydes react with monoalkyl malonates in pyridine with a catalytic amount of dimethylaminopyridine (DMAP) in a regio- and stereoselective process to yield almost exclusively 2,4-pentadienoic esters with essentially (and in many cases exclusively) the 2E-stereochemistry.

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