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144341-73-1

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144341-73-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144341-73-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,3,4 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 144341-73:
(8*1)+(7*4)+(6*4)+(5*3)+(4*4)+(3*1)+(2*7)+(1*3)=111
111 % 10 = 1
So 144341-73-1 is a valid CAS Registry Number.

144341-73-1Relevant articles and documents

Diterpenes of Azadirachta indica. Syntheses to confirm structure

Burnell,Dumont,Theberge,Desfosses

, p. 2571 - 2578 (2007/10/02)

The structure of the diterpene nimbinone 1b has been confirmed by syntheses via a cascade cyclisation and also from podocarpic acid by two separate series of transformations. Synthesis of structure 3b from dehydroabietic acid shows that this does not exhibit the properties described for nimbosodione.

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