1370331-09-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1370331-09-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,0,3,3 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1370331-09:
(9*1)+(8*3)+(7*7)+(6*0)+(5*3)+(4*3)+(3*1)+(2*0)+(1*9)=121
121 % 10 = 1
So 1370331-09-1 is a valid CAS Registry Number.