1053733-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1053733-77-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,3,7,3 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1053733-77:
(9*1)+(8*0)+(7*5)+(6*3)+(5*7)+(4*3)+(3*3)+(2*7)+(1*7)=139
139 % 10 = 9
So 1053733-77-9 is a valid CAS Registry Number.