1031678-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1031678-97-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,1,6,7 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1031678-97:
(9*1)+(8*0)+(7*3)+(6*1)+(5*6)+(4*7)+(3*8)+(2*9)+(1*7)=143
143 % 10 = 3
So 1031678-97-3 is a valid CAS Registry Number.