917501-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 917501-58-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,7,5,0 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 917501-58:
(8*9)+(7*1)+(6*7)+(5*5)+(4*0)+(3*1)+(2*5)+(1*8)=167
167 % 10 = 7
So 917501-58-7 is a valid CAS Registry Number.