78173-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78173-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,7 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 78173-90:
(7*7)+(6*8)+(5*1)+(4*7)+(3*3)+(2*9)+(1*0)=157
157 % 10 = 7
So 78173-90-7 is a valid CAS Registry Number.
InChI:InChI=1/C43H53NO16/c1-18(45)16-43(53)17-29(34-23(36(43)42(52)54-7)13-24-35(39(34)51)38(50)33-22(37(24)49)9-8-10-27(33)47)58-31-14-25(44(5)6)40(20(3)56-31)60-32-15-28(48)41(21(4)57-32)59-30-12-11-26(46)19(2)55-30/h8-10,13,19-21,25,28-32,36,40-41,47-48,51,53H,11-12,14-17H2,1-7H3/t19-,20-,21-,25-,28-,29-,30-,31-,32-,36-,40+,41+,43+/m0/s1