1959-58-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1959-58-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,5 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1959-58:
(6*1)+(5*9)+(4*5)+(3*9)+(2*5)+(1*8)=116
116 % 10 = 6
So 1959-58-6 is a valid CAS Registry Number.