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62853-52-5

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62853-52-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 62853-52-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,8,5 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 62853-52:
(7*6)+(6*2)+(5*8)+(4*5)+(3*3)+(2*5)+(1*2)=135
135 % 10 = 5
So 62853-52-5 is a valid CAS Registry Number.

62853-52-5Downstream Products

62853-52-5Relevant articles and documents

Stereoselective mannich-like reactions of ester enolates generated on sugar templates: A novel access to a key intermediate for 1β-methylcarbapenem synthesis

Sasaki, Daisuke,Sawamoto, Daisuke,Takao, Ken-ichi,Tadano, Kin-ichi,Okue, Masayuki,Ajito, Keiichi

, p. 103 - 110 (2008/02/13)

The Mannich-like reactions of the enolates generated from 2,3-di-O-protected 6-deoxy-4-O-propionyl-α-D-glucopyranosides with (3R,4R)-4-acetoxy-3-((R)-1-(t-butyldimethylsilyloxy)ethyl ]azetidin-2-one were investigated. The corresponding 2,3-di-O-methyl derivative provided the Mannich adduct in good to excellent stereoselectivity. From the major adduct, the azetidin-2-one incorporating an α-methyl acetic acid side chain at the C-4 position with ?-configuration was obtained by alkaline hydrolysis. This product, (3S,4S)-3-[(R)-1-(t-butyldimethylsilyloxy)ethyl 1-4-1(R)-1-carboxyethylJazetidin-2-one, is a useful intermediate for the 1 ?-methylcarbapenem synthesis.

GLYCOSIDES OF MARINE INVERTEBRATES. XV. A NEW TRITERPENE GLYCOSIDE - HOLOTHURIN A1 - FROM CARIBBEAN HOLOTHURIANS OF THE FAMILY HOLOTHURIIDAE

Oleinikova, G. K.,Kuznetsova, T. A.,Ivanova, N. S.,Kalinovskii, A. I.,Rovnykh, N. V.,Elyakov, G. B.

, p. 430 - 434 (2007/10/02)

A glycoside, holothurin A1 has been isolated from the polar glycosidic fractions of the holothurians H. floridana and H. grisea.The complete structure of the glycoside has been established; it is: 3β-3)-O-β-D-glucopyranosyl-(1->4)-O-β-D-quinovopyranosyl-(1->2)-(4-sulfato-β-D-xylopyranosyl)oxy>holosta-9(11)-ene-12α,17α,22ξ-triol.Details of the IR and 1H and 13C NMR spectra of the compounds obtained are given.

Legume saponin of Gleditsia japonica Miquel. II. Desmonoterpenyl glycoside of echinocystic acid

Konoshima,Inui,Sato,et al.

, p. 3473 - 3478 (2007/10/02)

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