79748-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79748-81-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,7,4 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 79748-81:
(7*7)+(6*9)+(5*7)+(4*4)+(3*8)+(2*8)+(1*1)=195
195 % 10 = 5
So 79748-81-5 is a valid CAS Registry Number.
InChI:InChI=1/C23H29NO7/c1-6-17(19(27)30-5)13-15(3)12-14(2)8-7-9-16(4)18(26)23-20(31-23)22(29,10-11-25)24-21(23)28/h6-9,12-13,20,25,29H,10-11H2,1-5H3,(H,24,28)/b8-7+,14-12+,15-13+,16-9+,17-6+/t20-,22-,23-/m0/s1