58742-81-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58742-81-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,7,4 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 58742-81:
(7*5)+(6*8)+(5*7)+(4*4)+(3*2)+(2*8)+(1*1)=157
157 % 10 = 7
So 58742-81-7 is a valid CAS Registry Number.