109872-41-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109872-41-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,8,7 and 2 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 109872-41:
(8*1)+(7*0)+(6*9)+(5*8)+(4*7)+(3*2)+(2*4)+(1*1)=145
145 % 10 = 5
So 109872-41-5 is a valid CAS Registry Number.
InChI:InChI=1/C16H22ClN3O2/c1-22-15-8-13(18)12(17)7-11(15)16(21)19-14-4-6-20-5-2-3-10(14)9-20/h7-8,10,14H,2-6,9,18H2,1H3,(H,19,21)/t10-,14+/m0/s1