1293924-34-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1293924-34-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,3,9,2 and 4 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1293924-34:
(9*1)+(8*2)+(7*9)+(6*3)+(5*9)+(4*2)+(3*4)+(2*3)+(1*4)=181
181 % 10 = 1
So 1293924-34-1 is a valid CAS Registry Number.