1135347-21-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1135347-21-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,5,3,4 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1135347-21:
(9*1)+(8*1)+(7*3)+(6*5)+(5*3)+(4*4)+(3*7)+(2*2)+(1*1)=125
125 % 10 = 5
So 1135347-21-5 is a valid CAS Registry Number.