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952504-65-3

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952504-65-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 952504-65-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,2,5,0 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 952504-65:
(8*9)+(7*5)+(6*2)+(5*5)+(4*0)+(3*4)+(2*6)+(1*5)=173
173 % 10 = 3
So 952504-65-3 is a valid CAS Registry Number.

952504-65-3Downstream Products

952504-65-3Relevant academic research and scientific papers

Synthetic studies on (-)-FR182877: construction of the ABCD ring system via the intramolecular cycloadditions (1)

Suzuki, Takahiro,Tanaka, Natsumi,Matsumura, Takehiko,Hosoya, Yosuke,Nakada, Masahisa

, p. 6483 - 6487 (2007)

Construction of the ABCD ring system of (-)-FR182877 via the highly diastereoselective intramolecular Diels-Alder (IMDA) reaction is described. The IMDA reaction of the α,β-unsaturated aldehyde generated in situ from the corresponding acetal successfully provided the desired product 14 possessing the AB ring system as the single diastereomer. The CD ring system was constructed by the subsequent IMHDA reaction and the additional experiment suggested that the diastereoselectivity of the IMHDA reaction could be related to the E/Z geometry of alkene 17, which was generated in situ from 16.

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