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1619940-55-4

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1619940-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1619940-55-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,9,9,4 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1619940-55:
(9*1)+(8*6)+(7*1)+(6*9)+(5*9)+(4*4)+(3*0)+(2*5)+(1*5)=194
194 % 10 = 4
So 1619940-55-4 is a valid CAS Registry Number.

1619940-55-4Downstream Products

1619940-55-4Relevant articles and documents

New ureas containing glycosyl and diphenylphosphinyl scaffolds: Synthesis and the first attempts to use them in asymmetric synthesis

Porwański, Stanis?aw

, p. 7 - 12 (2014/06/24)

Chiral ureas containing glycosyl and diphenylphosphinyl scaffolds were found to be an effective organocatalyst. They were synthesised in high yields by a one-pot tandem Staudinger/aza-Wittig coupling reaction. The first attempts of using them in asymmetri

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