142631-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142631-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,6,3 and 1 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 142631-64:
(8*1)+(7*4)+(6*2)+(5*6)+(4*3)+(3*1)+(2*6)+(1*4)=109
109 % 10 = 9
So 142631-64-9 is a valid CAS Registry Number.
142631-64-9Relevant articles and documents
Radical Cyclization of Some Unsaturated Carbohydrate-Derived Acetals
Moufid, Nadira,Chapleur, Yves,Mayon, Patrick
, p. 991 - 998 (2007/10/02)
Treatment of halogeno acetals derived from deoxy-D-hexenopyranosides of erythro and threo configuration with tributyltin hydride with a radical initiator gave fused pyranofuranosides.This allowed the completely stereo and regio-specific introduction of a