81605-86-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81605-86-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,0 and 5 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81605-86:
(7*8)+(6*1)+(5*6)+(4*0)+(3*5)+(2*8)+(1*6)=129
129 % 10 = 9
So 81605-86-9 is a valid CAS Registry Number.
InChI:InChI=1/C18H21N.C15H21NO2.ClH/c1-15(19(2)3)14-18(16-10-6-4-7-11-16)17-12-8-5-9-13-17;1-3-14(18)15(7-9-16(2)10-8-15)12-5-4-6-13(17)11-12;/h4-15H,1-3H3;4-6,11,17H,3,7-10H2,1-2H3;1H