858842-86-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858842-86-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,8,4 and 2 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 858842-86:
(8*8)+(7*5)+(6*8)+(5*8)+(4*4)+(3*2)+(2*8)+(1*6)=231
231 % 10 = 1
So 858842-86-1 is a valid CAS Registry Number.