1579999-77-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1579999-77-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,9,9,9 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1579999-77:
(9*1)+(8*5)+(7*7)+(6*9)+(5*9)+(4*9)+(3*9)+(2*7)+(1*7)=281
281 % 10 = 1
So 1579999-77-1 is a valid CAS Registry Number.