428858-29-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 428858-29-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,8,8,5 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 428858-29:
(8*4)+(7*2)+(6*8)+(5*8)+(4*5)+(3*8)+(2*2)+(1*9)=191
191 % 10 = 1
So 428858-29-1 is a valid CAS Registry Number.