1009278-54-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1009278-54-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,2,7 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1009278-54:
(9*1)+(8*0)+(7*0)+(6*9)+(5*2)+(4*7)+(3*8)+(2*5)+(1*4)=139
139 % 10 = 9
So 1009278-54-9 is a valid CAS Registry Number.