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1235515-58-8

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1235515-58-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1235515-58-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,5,5,1 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1235515-58:
(9*1)+(8*2)+(7*3)+(6*5)+(5*5)+(4*1)+(3*5)+(2*5)+(1*8)=138
138 % 10 = 8
So 1235515-58-8 is a valid CAS Registry Number.

1235515-58-8Downstream Products

1235515-58-8Relevant articles and documents

Total synthesis of (-)-8-deoxyserratinine via an efficient helquist annulation and double N-alkylation reaction

Yang, Yu-Rong,Lai, Zeng-Wei,Shen, Liang,Huang, Jiu-Zhong,Wu, Xing-De,Yin, Jun-Lin,Wei, Kun

, p. 3430 - 3433 (2010)

(Equation Presented). The first enantioselective total synthesis of (-)-8-deoxyserratinine has been achieved in 15 steps from enone 4 with 7% overall yield. The key features include a highly efficient Helquist annulation to furnish the cis-fused 6/5 bicycle, facile construction of the aza nine-membered ring system employing double N-alkylation strategy, as well as asymmetric Shi epoxidation, delivering the desired β-epoxide stereospecifically.

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