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184652-42-4

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184652-42-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 184652-42-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,4,6,5 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 184652-42:
(8*1)+(7*8)+(6*4)+(5*6)+(4*5)+(3*2)+(2*4)+(1*2)=154
154 % 10 = 4
So 184652-42-4 is a valid CAS Registry Number.

184652-42-4Relevant articles and documents

Stereospecific synthesis of a novel farnesyl protein transferase inhibitor, valinoctin A and its analogues

Tsuda, Makoto,Muraoka, Yasuhiko,Takeuchi, Tomio,Sekizawa, Ryuichi,Umezawa, Kazuo

, p. 1031 - 1035 (1996)

(2S,3R)-3-Amino-2-hydroxyoctanoic acid was synthesized by Curtius rearrangement of an azide derivative of (S)-malic acid. Total syntheses of valinoctin A and its analogues were achieved by a coupling of (2S,3R)-3-amino-2-hydroxyoctanoic acid moiety with L-valine or several other amino acids moieties. 2S configuration of 3-amino-2-hydroxyoctanoic acid moiety was found to be important for the inhibitory activity and the L-valine moiety of valinoctin A was exchangeable with other L-amino acids.

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