1425666-91-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1425666-91-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,5,6,6 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1425666-91:
(9*1)+(8*4)+(7*2)+(6*5)+(5*6)+(4*6)+(3*6)+(2*9)+(1*1)=176
176 % 10 = 6
So 1425666-91-6 is a valid CAS Registry Number.