858858-34-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858858-34-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,8,5 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 858858-34:
(8*8)+(7*5)+(6*8)+(5*8)+(4*5)+(3*8)+(2*3)+(1*4)=241
241 % 10 = 1
So 858858-34-1 is a valid CAS Registry Number.