870073-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 870073-99-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,0,0,7 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 870073-99:
(8*8)+(7*7)+(6*0)+(5*0)+(4*7)+(3*3)+(2*9)+(1*9)=177
177 % 10 = 7
So 870073-99-7 is a valid CAS Registry Number.