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128913-30-4

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128913-30-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128913-30-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,1 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128913-30:
(8*1)+(7*2)+(6*8)+(5*9)+(4*1)+(3*3)+(2*3)+(1*0)=134
134 % 10 = 4
So 128913-30-4 is a valid CAS Registry Number.

128913-30-4Upstream product

128913-30-4Downstream Products

128913-30-4Relevant articles and documents

Homochiral Group Transfer in Organic Synthesis via α-Diazocarbonyl Intermediates

Collins, Jeremiah C.,Dilworth, Bird M.,Garvey, Norah T.,Kennedy, Michael,McKervey, M. Anthony,O'Sullivan, Michael B.

, p. 362 - 364 (2007/10/02)

Optically active diazoketones derived from N-protected amino acids and (S)-2-chloropropionic acid have been used as homochiral group transfer reagents in the synthesis of various optically active α-functionalised ketones and related compounds.

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