1329423-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1329423-69-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,9,4,2 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1329423-69:
(9*1)+(8*3)+(7*2)+(6*9)+(5*4)+(4*2)+(3*3)+(2*6)+(1*9)=159
159 % 10 = 9
So 1329423-69-9 is a valid CAS Registry Number.