1355249-31-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1355249-31-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,5,2,4 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1355249-31:
(9*1)+(8*3)+(7*5)+(6*5)+(5*2)+(4*4)+(3*9)+(2*3)+(1*1)=158
158 % 10 = 8
So 1355249-31-8 is a valid CAS Registry Number.