457961-92-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 457961-92-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,7,9,6 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 457961-92:
(8*4)+(7*5)+(6*7)+(5*9)+(4*6)+(3*1)+(2*9)+(1*2)=201
201 % 10 = 1
So 457961-92-1 is a valid CAS Registry Number.
457961-92-1Relevant articles and documents
METHOD FOR PRODUCING 2-AZETIDINONE DERIVATIVE
-
Page/Page column 6-7, (2008/06/13)
A process for producing a compound represented by the following formula (II) which comprises treating a compound represented by the following formula (I) (wherein R1, R2 and R3 represent each a specific substituent) with a