107855-52-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107855-52-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,8,5 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 107855-52:
(8*1)+(7*0)+(6*7)+(5*8)+(4*5)+(3*5)+(2*5)+(1*2)=137
137 % 10 = 7
So 107855-52-7 is a valid CAS Registry Number.
107855-52-7Relevant articles and documents
FUSED AZETIDINONES FROM 2-KETO-DIHYDROPYRIMIDINES.
Atmani, A.,Kajima, M.
, p. 2611 - 2612 (2007/10/02)
Cycloaddition of ketenes to 2-keto dihydropyrimidines give the title compounds.These constitute a new kind of cephalosporins keto-aza analogs.
