77815-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77815-57-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,1 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77815-57:
(7*7)+(6*7)+(5*8)+(4*1)+(3*5)+(2*5)+(1*7)=167
167 % 10 = 7
So 77815-57-7 is a valid CAS Registry Number.
77815-57-7Relevant academic research and scientific papers
THE PREPARATION OF PHENYL KETONES USING (PHENYLTHIO)PHENYL(TRIMETHYLSILYL)METHYL-LITHIUM
Ager, David J.
, p. 4759 - 4762 (2007/10/02)
Phenyl ketones are prepared by alkylation of (phenylthio)phenyl(trimethylsilyl)methyl-lithium followed by oxidation and rearrangement.