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(4R,5R)-4-Butyl-4-(1,1-dimethyl-allyl)-5-[(S)-6-methyl-6-(3-trityloxy-propyl)-cyclohex-1-enyl]-[1,3]dioxolan-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

920757-89-7

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920757-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 920757-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,0,7,5 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 920757-89:
(8*9)+(7*2)+(6*0)+(5*7)+(4*5)+(3*7)+(2*8)+(1*9)=187
187 % 10 = 7
So 920757-89-7 is a valid CAS Registry Number.

920757-89-7Relevant academic research and scientific papers

Synthesis of model BC bicycles of taxol using C10-C11 ring-closing metathesis strategy

Schiltz, Stéphanie,Ma, Cong,Ricard, Louis,Prunet, Jo?lle

, p. 5438 - 5443 (2007/10/03)

Model BC ring-systems of taxol 23b and 28b, which lack an oxygenated substituent at C7, have been efficiently synthesized. The key step is a ring-closing metathesis (RCM) to form the 8-membered B ring between C10 and C11. Comparison of the metathesis reac

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