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1259031-92-9

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1259031-92-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1259031-92-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,9,0,3 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1259031-92:
(9*1)+(8*2)+(7*5)+(6*9)+(5*0)+(4*3)+(3*1)+(2*9)+(1*2)=149
149 % 10 = 9
So 1259031-92-9 is a valid CAS Registry Number.

1259031-92-9Downstream Products

1259031-92-9Relevant articles and documents

Total synthesis of (+)-epilupinine via an intramolecular nitrile oxide-alkene cycloaddition

Su, Deyong,Wang, Xinyan,Shao, Changwei,Xu, Jimin,Zhu, Rui,Hu, Yuefei

supporting information; experimental part, p. 188 - 194 (2011/03/21)

Total synthesis of (+)-epilupinine was accomplished in nine steps and in 48% overall yield, in which INOC was used as the key step for the construction of the quinolizidine skeleton. We found that it was an extremely difficult task to prepare the key intermediates (R)-N-(3-nitropropyl)-2-vinylpiperidine or (R)-(2-vinylpiperid-1-yl)propanal by routine methods. Thus, by using Fukuyama's oxime synthesis, a general method was developed for highly efficient conversion of 3-(N,N-dialkylamino)propanols into 3-(N,N-dialkylamino)propanal oximes without using the corresponding aldehydes.

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