75232-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75232-18-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,2,3 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75232-18:
(7*7)+(6*5)+(5*2)+(4*3)+(3*2)+(2*1)+(1*8)=117
117 % 10 = 7
So 75232-18-7 is a valid CAS Registry Number.
75232-18-7Relevant articles and documents
ORGANOCOPPER CONJUGATE ADDITION REVISITED
Suzuki, M.,Suzuki, T.,Kawagishi, T.,Noyori, R.
, p. 1247 - 1250 (1980)
An efficient organocopper conjugate addition based on the use of equimolar amounts of an enone and an entering group is described.