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78266-67-8

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78266-67-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78266-67-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,2,6 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78266-67:
(7*7)+(6*8)+(5*2)+(4*6)+(3*6)+(2*6)+(1*7)=168
168 % 10 = 8
So 78266-67-8 is a valid CAS Registry Number.

78266-67-8Relevant articles and documents

Asymmetric approach towards the total synthesis of (+)-actinopyllic acid

Xue, Fei,Xiao, Tao,Li, Min,Zhang, Kai-Fang,He, Li-Ping,Qin, Yong,Liu, Xiao-Yu,Zhang, Dan

, p. 2109 - 2115 (2017)

This paper describes our efforts towards the asymmetric total synthesis of (+)-actinophyllic acid. Starting from the chiral oxazolidinone 9, an azocino [4,3-b]indolyl intermediate (5) possessing the A/B/C ring system and the C16 quaternary stereogenic center of actinophyllic acid has been synthesized. Key steps include a LHMDS-promoted condensation to establish the critical C2–C16 bond and a successive four-step transformation to assemble the eight-membered C-ring of the target molecule.

An Improved Preparation of 1-Hydroxyindole and the Synthesis of Some Related 3-Carboxylic Acids and 1-Methoxyindole-3-acetonitrile

Acheson, R. Morrin,Aldridge, Graham N.,Choi, Michael C. K.,Nwankwo, Joseph O.,Ruscoe, Margaret A.,Wallis, John D.

, p. 1301 - 1319 (2007/10/02)

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