133710-28-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133710-28-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,7,1 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 133710-28:
(8*1)+(7*3)+(6*3)+(5*7)+(4*1)+(3*0)+(2*2)+(1*8)=98
98 % 10 = 8
So 133710-28-8 is a valid CAS Registry Number.
133710-28-8Relevant articles and documents
Enantiospecific routes to 3,4 disubstituted azetidinones
Kahn,Fujita
, p. 1137 - 1144 (2007/10/02)
Enantiospecific routes to 3,4 disubstituted azetidinones are outlined which commence with readily available β-ketoester precursors.