58902-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58902-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,9,0 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 58902-91:
(7*5)+(6*8)+(5*9)+(4*0)+(3*2)+(2*9)+(1*1)=153
153 % 10 = 3
So 58902-91-3 is a valid CAS Registry Number.