1142210-57-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1142210-57-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,2,2,1 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1142210-57:
(9*1)+(8*1)+(7*4)+(6*2)+(5*2)+(4*1)+(3*0)+(2*5)+(1*7)=88
88 % 10 = 8
So 1142210-57-8 is a valid CAS Registry Number.