443770-01-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 443770-01-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,7,7 and 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 443770-01:
(8*4)+(7*4)+(6*3)+(5*7)+(4*7)+(3*0)+(2*0)+(1*1)=142
142 % 10 = 2
So 443770-01-2 is a valid CAS Registry Number.