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(4bS,8aR)-4b-Hydroxy-4b,5,6,7,8,9-hexahydro-fluorene-8a-carboxylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138536-51-3

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138536-51-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138536-51-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,5,3 and 6 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 138536-51:
(8*1)+(7*3)+(6*8)+(5*5)+(4*3)+(3*6)+(2*5)+(1*1)=143
143 % 10 = 3
So 138536-51-3 is a valid CAS Registry Number.

138536-51-3Downstream Products

138536-51-3Relevant academic research and scientific papers

Reaction of Metal Free Bu3Sn- Generated from Bu3SnSiMe3-R4NX with an Aryl or Vinyl Halide

Mori, Miwako,Kaneta, Naotake,Isono, Naoshiro,Shibasaki, Masakatsu

, p. 6139 - 6142 (2007/10/02)

Metal free stannyl anion generated from Bu3SnSiMe3 and R4NX in DMF reacted with an aryl or vinyl halide to produce the aryl or vinyl anion via so-called halogen-metal exchange process, which reacted with internal carbonyl group to afford cyclized product in good yield. Key Words: Bu3NSnSiMe3, Bu3Sn(1-)*R4N(1+), Metal free stannyl anion, Cyclization, Aryl or Vinyl anion

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