4176-02-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4176-02-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,7 and 6 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4176-02:
(6*4)+(5*1)+(4*7)+(3*6)+(2*0)+(1*2)=77
77 % 10 = 7
So 4176-02-7 is a valid CAS Registry Number.