670258-39-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 670258-39-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,0,2,5 and 8 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 670258-39:
(8*6)+(7*7)+(6*0)+(5*2)+(4*5)+(3*8)+(2*3)+(1*9)=166
166 % 10 = 6
So 670258-39-6 is a valid CAS Registry Number.