885665-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 885665-58-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,5,6,6 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 885665-58:
(8*8)+(7*8)+(6*5)+(5*6)+(4*6)+(3*5)+(2*5)+(1*8)=237
237 % 10 = 7
So 885665-58-7 is a valid CAS Registry Number.