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890315-74-9

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890315-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 890315-74-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,0,3,1 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 890315-74:
(8*8)+(7*9)+(6*0)+(5*3)+(4*1)+(3*5)+(2*7)+(1*4)=179
179 % 10 = 9
So 890315-74-9 is a valid CAS Registry Number.

890315-74-9Relevant articles and documents

Asymmetric Synthesis of N-N Axially Chiral Compounds by Phase-Transfer-Catalyzed Alkylations

Pan, Ming,Shao, Ying-Bo,Zhao, Qun,Li, Xin

supporting information, p. 374 - 378 (2022/01/04)

N-N axially chiral skeletons are significant structural motifs in natural products, pharmaceuticals, and functional materials. Herein we disclose a method for the asymmetric synthesis of N-N axially chiral compounds by phase-transfer catalysis. A wide range of N-N axially chiral quinazolinone derivatives were prepared in high yields with excellent stereoselectivities. Furthermore, the synthetic utility of the protocol was proved by large-scale reaction and transformation of the product. Density functional theory calculations provide insight into the mechanism.

NOVEL ANTHRANILIC ACID DERIVATIVE OR SALT THEREOF

-

Page/Page column 57-58, (2008/06/13)

An anthranilic acid derivative represented by the general formula (X) [wherein R1 represents hydrogen or a carboxy-protecting group; R2 represents optionally substituted phenyl, a heterocyclic group, etc.; R3 represents optionally substituted phenyl, a monocyclic heterocyclic group, etc.; X1 represents carbonyl, etc.; X2 represents optionally substituted alkylene, a bond, etc.; X3 represents oxygen, a bond, etc.; and X4 represents a group represented by the general formula -X5-X6- or -X6-X5- (wherein X5 means oxygen, a bond, etc.; and X6 means optionally substituted alkylene, a bond, etc.)] or a salt of the derivative. The derivative or salt has an MMP-13 production inhibitory activity and is hence useful as a therapeutic agent for articular rheumatisum, osteoarthritis, cancer, etc.

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