119472-55-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 119472-55-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,4,7 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 119472-55:
(8*1)+(7*1)+(6*9)+(5*4)+(4*7)+(3*2)+(2*5)+(1*5)=138
138 % 10 = 8
So 119472-55-8 is a valid CAS Registry Number.
119472-55-8Relevant academic research and scientific papers
INTRAMOLECULAR ACYLATION OF α-SULFINYL CARBANION A NEW GENERAL ROUTE TO 5-METHYLENE-2-CYCLOPENTENONES
Pohmakotr, Manat,Chancharunee, Sirirat
, p. 4141 - 4144 (2007/10/02)
A convenient synthesis of 5-methylene-2-cyclopentenones including Methylenomycin B involving the intramolecular acylation of α-sulfinyl carbanion followed by methylation and pyrolysis is described.
