91549-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91549-05-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,5,4 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 91549-05:
(7*9)+(6*1)+(5*5)+(4*4)+(3*9)+(2*0)+(1*5)=142
142 % 10 = 2
So 91549-05-2 is a valid CAS Registry Number.
InChI:InChI=1/C29H37N5O7/c1-4-17(2)25(29(40)41)34-28(39)23(15-19-8-6-5-7-9-19)33-24(36)16-31-26(37)18(3)32-27(38)22(30)14-20-10-12-21(35)13-11-20/h5-13,15,17-18,22,25,35H,4,14,16,30H2,1-3H3,(H,31,37)(H,32,38)(H,33,36)(H,34,39)(H,40,41)/b23-15+
