158709-58-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158709-58-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,7,0 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 158709-58:
(8*1)+(7*5)+(6*8)+(5*7)+(4*0)+(3*9)+(2*5)+(1*8)=171
171 % 10 = 1
So 158709-58-1 is a valid CAS Registry Number.