443647-21-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 443647-21-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,6,4 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 443647-21:
(8*4)+(7*4)+(6*3)+(5*6)+(4*4)+(3*7)+(2*2)+(1*1)=150
150 % 10 = 0
So 443647-21-0 is a valid CAS Registry Number.