923957-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 923957-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,3,9,5 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 923957-49:
(8*9)+(7*2)+(6*3)+(5*9)+(4*5)+(3*7)+(2*4)+(1*9)=207
207 % 10 = 7
So 923957-49-7 is a valid CAS Registry Number.