1254229-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1254229-50-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,4,2,2 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1254229-50:
(9*1)+(8*2)+(7*5)+(6*4)+(5*2)+(4*2)+(3*9)+(2*5)+(1*0)=139
139 % 10 = 9
So 1254229-50-9 is a valid CAS Registry Number.