637041-06-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 637041-06-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,0,4 and 1 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 637041-06:
(8*6)+(7*3)+(6*7)+(5*0)+(4*4)+(3*1)+(2*0)+(1*6)=136
136 % 10 = 6
So 637041-06-6 is a valid CAS Registry Number.
637041-06-6Relevant academic research and scientific papers
CONVERSION OF 1,3-DICARBONYLS TO 1,4-DICARBONYLS
Saigo, Kazuhiko,Kurihara, Hiroshi,Miura, Hisao,Hongu, Akinori,Kubota, Naomi,et al.
, p. 787 - 796 (2007/10/02)
The cyclopropanation of β-trimethylsiloxy α,β-unsaturated esters and ketones, prepared from 1,3-dicarbonyl compounds, with carbenes followed by ring cleavage gave corresponding 1,4-dicarbonyl compounds in moderate yields.
