712349-89-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 712349-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,1,2,3,4 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 712349-89:
(8*7)+(7*1)+(6*2)+(5*3)+(4*4)+(3*9)+(2*8)+(1*9)=158
158 % 10 = 8
So 712349-89-8 is a valid CAS Registry Number.