1213595-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1213595-55-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,3,5,9 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1213595-55:
(9*1)+(8*2)+(7*1)+(6*3)+(5*5)+(4*9)+(3*5)+(2*5)+(1*5)=141
141 % 10 = 1
So 1213595-55-1 is a valid CAS Registry Number.