128737-63-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128737-63-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,3 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 128737-63:
(8*1)+(7*2)+(6*8)+(5*7)+(4*3)+(3*7)+(2*6)+(1*3)=153
153 % 10 = 3
So 128737-63-3 is a valid CAS Registry Number.
128737-63-3Relevant academic research and scientific papers
Diastereoselective organocuprate addition to homochiral ketals of 3-acetylcyclopent-2-en-1-one
Jung, Michael E.,Lew, Willard
, p. 623 - 626 (2007/10/02)
Addition of lower or higher order cuprates to the enone homoketals 4a-d give the alkylated products with de's ranging from 12% to 34%.
