1312778-53-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1312778-53-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,2,7,7 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1312778-53:
(9*1)+(8*3)+(7*1)+(6*2)+(5*7)+(4*7)+(3*8)+(2*5)+(1*3)=152
152 % 10 = 2
So 1312778-53-2 is a valid CAS Registry Number.