1335-27-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1335-27-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,3 and 5 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1335-27:
(6*1)+(5*3)+(4*3)+(3*5)+(2*2)+(1*7)=59
59 % 10 = 9
So 1335-27-9 is a valid CAS Registry Number.