199442-41-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 199442-41-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,4,4 and 2 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 199442-41:
(8*1)+(7*9)+(6*9)+(5*4)+(4*4)+(3*2)+(2*4)+(1*1)=176
176 % 10 = 6
So 199442-41-6 is a valid CAS Registry Number.