58688-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58688-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,6,8 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 58688-90:
(7*5)+(6*8)+(5*6)+(4*8)+(3*8)+(2*9)+(1*0)=187
187 % 10 = 7
So 58688-90-7 is a valid CAS Registry Number.