299965-43-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299965-43-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,9,6 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 299965-43:
(8*2)+(7*9)+(6*9)+(5*9)+(4*6)+(3*5)+(2*4)+(1*3)=228
228 % 10 = 8
So 299965-43-8 is a valid CAS Registry Number.