1290685-09-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1290685-09-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,0,6,8 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1290685-09:
(9*1)+(8*2)+(7*9)+(6*0)+(5*6)+(4*8)+(3*5)+(2*0)+(1*9)=174
174 % 10 = 4
So 1290685-09-4 is a valid CAS Registry Number.