1579977-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1579977-53-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,9,9,7 and 7 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1579977-53:
(9*1)+(8*5)+(7*7)+(6*9)+(5*9)+(4*7)+(3*7)+(2*5)+(1*3)=259
259 % 10 = 9
So 1579977-53-9 is a valid CAS Registry Number.