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498548-15-5

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498548-15-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 498548-15-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,8,5,4 and 8 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 498548-15:
(8*4)+(7*9)+(6*8)+(5*5)+(4*4)+(3*8)+(2*1)+(1*5)=215
215 % 10 = 5
So 498548-15-5 is a valid CAS Registry Number.

498548-15-5Relevant articles and documents

QUERCETIN DERIVATIVE, PHARMACEUTICAL COMPOSITION FOR PREVENTING OR TREATING CANCER COMPRISING THE SAME, AND METHOD FOR SYNTHESIZING THE SAME

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Paragraph 0122-0125; 0135-0138, (2021/01/29)

The present invention relates to a novel quercetin derivative in which a 4′-hydroxy group of quercetin is substituted and which has excellent stability, to a pharmaceutical composition for preventing or treating cancer comprising the same, and to a synthe

Regiospecific synthesis of three quercetin O-β-glucosides of N-acetylglucosamine

Cao, Zhiling,Chen, Jing,Zhu, Dandan,Yang, Zongnan,Teng, Wenqi,Liu, Gaofeng,Liu, Bing,Tao, Chuanzhou

, p. 189 - 193 (2018/05/26)

The regiospecific synthesis of three quercetin O-β-glucosides of N-acetylglucosamine has been achieved in good yield. Selective di- and tri-O-benzylation of quercetin followed by O-glycosylation with 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-d-glucopyranosyl chloride under phase-transfer catalysis conditions yielded, after deacetylation and debenzylation, 3-, 3′- and 4′-glycosylated quercetin.

Design and discovery of flavonoid-based HIV-1 integrase inhibitors targeting both the active site and the interaction with LEDGF/p75

Li, Bo-Wen,Zhang, Feng-Hua,Serrao, Erik,Chen, Huan,Sanchez, Tino W.,Yang, Liu-Meng,Neamati, Nouri,Zheng, Yong-Tang,Wang, Hui,Long, Ya-Qiu

, p. 3146 - 3158 (2014/06/09)

HIV integrase (IN) is an essential enzyme for the viral replication. Currently, three IN inhibitors have been approved for treating HIV-1 infection. All three drugs selectively inhibit the strand transfer reaction by chelating a divalent metal ion in the

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