356786-31-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 356786-31-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,6,7,8 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 356786-31:
(8*3)+(7*5)+(6*6)+(5*7)+(4*8)+(3*6)+(2*3)+(1*1)=187
187 % 10 = 7
So 356786-31-7 is a valid CAS Registry Number.