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(2R,3R,4R,5R,6R)-3-(tert-Butyl-dimethyl-silanyloxy)-5-(4-methoxy-benzyloxy)-2,4,6-trimethyl-heptane-1,7-diol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

142075-20-5

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142075-20-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142075-20-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,0,7 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 142075-20:
(8*1)+(7*4)+(6*2)+(5*0)+(4*7)+(3*5)+(2*2)+(1*0)=95
95 % 10 = 5
So 142075-20-5 is a valid CAS Registry Number.

142075-20-5Relevant academic research and scientific papers

The effect of remote oxygens on the ring-opening reactions of oxabicyclic compounds with organolithium reagents. Synthesis of the C21-C27 segment of rifamycin S

Lautens,Belter

, p. 2617 - 2620 (1992)

The reactivity of several related oxabicyclo[3.2.1]octenes toward ring-opening was found to depend on the stereochemistry of a remote hydroxyl group. It was also found that attenuation of the reactivity occurred upon protection of the remote alcohol.

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