670267-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 670267-99-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,0,2,6 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 670267-99:
(8*6)+(7*7)+(6*0)+(5*2)+(4*6)+(3*7)+(2*9)+(1*9)=179
179 % 10 = 9
So 670267-99-9 is a valid CAS Registry Number.