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69955-44-8

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69955-44-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69955-44-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,9,5 and 5 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 69955-44:
(7*6)+(6*9)+(5*9)+(4*5)+(3*5)+(2*4)+(1*4)=188
188 % 10 = 8
So 69955-44-8 is a valid CAS Registry Number.

69955-44-8Downstream Products

69955-44-8Relevant articles and documents

Chemoselective reactions of trimethylsilylpropynal with aminopyrimidines and amino acid esters

Mareev,Mareeva,Andreev,Gulyaev,Mitroshina,Medvedeva

, p. 1544 - 1550 (2011)

Highly efficient chemoselective 1,2-addition of 2-aminopyrimidines and D,L-amino acid esters to substituted propynals was performed. Acid-catalyzed addition of 2-aminopyrimidine and 2-amino-4-methylpyrimidine to trimethylsilyl- and phenylpropynals gave pr

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