416883-85-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 416883-85-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,6,8,8 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 416883-85:
(8*4)+(7*1)+(6*6)+(5*8)+(4*8)+(3*3)+(2*8)+(1*5)=177
177 % 10 = 7
So 416883-85-7 is a valid CAS Registry Number.