91574-89-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91574-89-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,5,7 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 91574-89:
(7*9)+(6*1)+(5*5)+(4*7)+(3*4)+(2*8)+(1*9)=159
159 % 10 = 9
So 91574-89-9 is a valid CAS Registry Number.
InChI:InChI=1/C27H31NO3.ClH/c1-28-16-15-20-10-13-23(30-2)18-24(20)26-21(11-14-25(31-3)27(26)29)17-22(28)12-9-19-7-5-4-6-8-19;/h4-8,10-11,13-14,18,22,29H,9,12,15-17H2,1-3H3;1H