239444-41-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 239444-41-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,9,4,4 and 4 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 239444-41:
(8*2)+(7*3)+(6*9)+(5*4)+(4*4)+(3*4)+(2*4)+(1*1)=148
148 % 10 = 8
So 239444-41-8 is a valid CAS Registry Number.