81523-92-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81523-92-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,2 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81523-92:
(7*8)+(6*1)+(5*5)+(4*2)+(3*3)+(2*9)+(1*2)=124
124 % 10 = 4
So 81523-92-4 is a valid CAS Registry Number.
InChI:InChI=1/C28H43N7O4/c1-16(2)13-22(34-27(38)24(29)17(3)4)26(37)35-25(36)21(11-8-12-32-28(30)31)33-19-14-18-9-6-7-10-20(18)23(15-19)39-5/h6-7,9-10,14-17,21-22,24,33H,8,11-13,29H2,1-5H3,(H,34,38)(H4,30,31,32)(H,35,36,37)/t21-,22-,24+/m0/s1