1031883-70-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1031883-70-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,1,8,8 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1031883-70:
(9*1)+(8*0)+(7*3)+(6*1)+(5*8)+(4*8)+(3*3)+(2*7)+(1*0)=131
131 % 10 = 1
So 1031883-70-1 is a valid CAS Registry Number.