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400652-50-8

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400652-50-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 400652-50-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,0,6,5 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 400652-50:
(8*4)+(7*0)+(6*0)+(5*6)+(4*5)+(3*2)+(2*5)+(1*0)=98
98 % 10 = 8
So 400652-50-8 is a valid CAS Registry Number.

400652-50-8Relevant articles and documents

Development of Chiral Organosuperbase Catalysts Consisting of Two Different Organobase Functionalities

Kondoh, Azusa,Oishi, Masafumi,Terada, Masahiro,Tezuka, Hikaru

supporting information, p. 7472 - 7477 (2020/03/19)

In the field of chiral Br?nsted base catalysis, a new generation of chiral catalysts has been highly anticipated to overcome the intrinsic limitation of pronucleophiles that are applicable to the enantioselective reactions. Herein, we reveal conceptually new chiral Br?nsted base catalysts consisting of two different organobase functionalities, one of which functions as an organosuperbase and the other as the substrate recognition site. Their prominent activity, which stems from the distinctive cooperative function by the two organobases in a single catalyst molecule, was demonstrated in the unprecedented enantioselective direct Mannich-type reaction of α-phenylthioacetate as a less acidic pronucleophile. The present achievement would provide a new guiding principle for the design and development of chiral Br?nsted base catalysts and significantly broaden the utility of Br?nsted base catalysis in asymmetric organic synthesis.

TREATMENT OF RB-NEGATIVE TUMORS USING TOPOISOMERASE INHIBITORS IN COMBINATION WITH CYCLIN DEPENDENT KINASE 4/6 INHIBITORS

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Page/Page column 102, (2016/06/01)

This invention is in the area of improved therapeutic combinations for and methods of treating selected retinoblastoma (Rb)-negative cancers and Rb-negative abnormal cellular proliferative disorders using particular topoisomerase inhibitors and specific c

TRANSIENT PROTECTION OF NORMAL CELLS DURING CHEMOTHERAPY

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Page/Page column 114, (2014/09/29)

This invention is in the area of improved compounds, compositions and methods of transiently protecting healthy cells, and in particular hematopoietic stem and progenitor cells (HSPC) as well as renal cells, from damage associated with DNA damaging chemotherapeutic agents. In one aspect, improved protection of healthy cells is disclosed using disclosed compounds that act as highly selective and short, transiently-acting cyclin-dependent kinase 4/6 (CDK 4/6) inhibitors when administered to subjects undergoing DNA damaging chemotherapeutic regimens for the treatment of proliferative disorders.

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