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200356-50-9

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200356-50-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 200356-50-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,3,5 and 6 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 200356-50:
(8*2)+(7*0)+(6*0)+(5*3)+(4*5)+(3*6)+(2*5)+(1*0)=79
79 % 10 = 9
So 200356-50-9 is a valid CAS Registry Number.

200356-50-9Downstream Products

200356-50-9Relevant articles and documents

En route to an efficient preparation of biocartol esters. Synthetic and structural investigations in the (1R,3S)-(-)-2,2-dimethyl-3-formylcyclopropane-1-carboxylic acid series

Veyrat, Marc,Fantin, Laurence,Desmoulins, Serge,Petitjean, Anne,Mazzanti, Marinella,et al.

, p. 703 - 712 (2007/10/03)

Enantiopure esters are obtained in good yield from (1R,3S)-(-)-2,2-dimethyl-3-formylcyclopropane-1-carboxylic acid (biocartol) in three steps: (1) dithiane protection of the aldehyde function; (2) esterification of the carboxylic acid function; (3) dethio

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