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4330-24-9

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4330-24-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4330-24-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,3 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4330-24:
(6*4)+(5*3)+(4*3)+(3*0)+(2*2)+(1*4)=59
59 % 10 = 9
So 4330-24-9 is a valid CAS Registry Number.

4330-24-9Downstream Products

4330-24-9Relevant articles and documents

HMF and furfural: Promising platform molecules in rhodium-catalyzed carbonylation reactions for the synthesis of furfuryl esters and tertiary amides

Qi, Xinxin,Zhou, Rong,Ai, Han-Jun,Wu, Xiao-Feng

, p. 215 - 221 (2019/11/25)

A biomass involved rhodium-catalyzed carbonylative synthesis of furfuryl esters and tertiary amides has been developed. 5-Hydroxymethylfurfural (HMF) was used as both substrate and CO surrogate for the first time in a carbonylation reaction, and both alkyl and aryl iodides were tolerated well to afford the desired furfuryl esters in moderate to good yields. In addition, furfural was also utilized as a CO source for the synthesis of tertiary amides. A variety of tertiary amides were obtained in moderate to excellent yields with good functional groups compatibility. Notably, tertiary amines were used as the amine source through a C[sbnd]N bond cleavage pathway in the absence of additional oxidant.

Convenient preparation of 2-deoxy-3,5-di-O-p-toluoyl-α-D-erythro-pentofuranosyl chloride

Rolland, Valerie,Kotera, Mitsuharu,Lhomme, Jean

, p. 3505 - 3511 (2007/10/03)

By using acetyl chloride as HCl generator, the procedure for the Hoffer preparation of the α-chloro sugar 4a was significantly improved. The α-configuration of the chloro atom was confirmed by using NOE measurement. Sequential transformation of 4a to the β-anomer and to the furfuryl derivative 6 was studied.

Nucleosides, XXXVI. - Synthesis and Properties of 4-Amino-8-β-D-ribofuranosyl-7(8H)-pteridinone and its 2- and 6-Phenyl Derivatives.

Harris, Roger,Pfleiderer, Wolfgang

, p. 1457 - 1468 (2007/10/02)

4-Amino-7(8H)-pteridinone (5) and its 2- and 5-phenyl derivatives (6-8) are converted by the Silyl-Hilbert-Johnson method to the corresponding acylated N-8-ribosides (15-18, 23, 24).Deacylation led to the free pteridine nucleosides (19-22, 25) which can b

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