56501-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56501-76-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,5,0 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 56501-76:
(7*5)+(6*6)+(5*5)+(4*0)+(3*1)+(2*7)+(1*6)=119
119 % 10 = 9
So 56501-76-9 is a valid CAS Registry Number.
InChI:InChI=1/C25H19Cl2NO/c26-21-13-9-19(10-14-21)25(29,20-11-15-22(27)16-12-20)24(18-6-2-1-3-7-18)23-8-4-5-17-28-23/h1-17,24,29H