669051-41-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 669051-41-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,9,0,5 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 669051-41:
(8*6)+(7*6)+(6*9)+(5*0)+(4*5)+(3*1)+(2*4)+(1*1)=176
176 % 10 = 6
So 669051-41-6 is a valid CAS Registry Number.