1647113-44-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1647113-44-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,4,7,1,1 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1647113-44:
(9*1)+(8*6)+(7*4)+(6*7)+(5*1)+(4*1)+(3*3)+(2*4)+(1*4)=157
157 % 10 = 7
So 1647113-44-7 is a valid CAS Registry Number.