311786-98-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 311786-98-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,1,7,8 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 311786-98:
(8*3)+(7*1)+(6*1)+(5*7)+(4*8)+(3*6)+(2*9)+(1*8)=148
148 % 10 = 8
So 311786-98-8 is a valid CAS Registry Number.