5971-85-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5971-85-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,7 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5971-85:
(6*5)+(5*9)+(4*7)+(3*1)+(2*8)+(1*5)=127
127 % 10 = 7
So 5971-85-7 is a valid CAS Registry Number.