83685-24-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83685-24-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,6,8 and 5 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 83685-24:
(7*8)+(6*3)+(5*6)+(4*8)+(3*5)+(2*2)+(1*4)=159
159 % 10 = 9
So 83685-24-9 is a valid CAS Registry Number.
InChI:InChI=1/C30H33NO6/c1-15-11-29-12-19(33)24-28(3)14-31(4)25-22(29)23(34)18(15)10-21(29)30(24,25)13-20(36-16(2)32)26(28)37-27(35)17-8-6-5-7-9-17/h5-9,18,20-22,24-26H,1,10-14H2,2-4H3
83685-24-9Relevant articles and documents
INTERCONVERSION OF HETIDINE- AND ATISINE-TYPE DITERPENOID ALKALOIDS: FACILE CLEAVAGE AND REGENERATION OF THE C(14)-C(20) BOND
Wang, Feng-Peng,Liang, Xiao-Tian
, p. 265 - 272 (2007/10/02)
The simultaneous presence of 2α-hydroxy and 13-keto groups in hetidine (1) gives rise to a facile conversion to a structure (24) of the atisine-type simply by heating in alkaline media, the transient formation of the intermediate (23) as the result of C(1
