957783-22-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 957783-22-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,7,7,8 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 957783-22:
(8*9)+(7*5)+(6*7)+(5*7)+(4*8)+(3*3)+(2*2)+(1*2)=231
231 % 10 = 1
So 957783-22-1 is a valid CAS Registry Number.