1427504-05-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1427504-05-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,7,5,0 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1427504-05:
(9*1)+(8*4)+(7*2)+(6*7)+(5*5)+(4*0)+(3*4)+(2*0)+(1*5)=139
139 % 10 = 9
So 1427504-05-9 is a valid CAS Registry Number.