109297-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109297-72-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,2,9 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 109297-72:
(8*1)+(7*0)+(6*9)+(5*2)+(4*9)+(3*7)+(2*7)+(1*2)=145
145 % 10 = 5
So 109297-72-5 is a valid CAS Registry Number.
InChI:InChI=1/C19H26N2Se/c1-3-7-21-11-13(12-22-2)8-16-15-5-4-6-17-19(15)14(10-20-17)9-18(16)21/h4-6,10,13,16,18,20H,3,7-9,11-12H2,1-2H3/t13-,16?,18-/m1/s1