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1158997-61-5

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1158997-61-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1158997-61-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,8,9,9 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1158997-61:
(9*1)+(8*1)+(7*5)+(6*8)+(5*9)+(4*9)+(3*7)+(2*6)+(1*1)=215
215 % 10 = 5
So 1158997-61-5 is a valid CAS Registry Number.

1158997-61-5Downstream Products

1158997-61-5Relevant articles and documents

Substrate-Controlled [5+1] Annulation of 5-Amino-1H-phenylpyrazoles with Alkenes: Divergent Synthesis of Multisubstituted 4,5-Dihydropyrazolo[1,5-a]quinazolines

Jiang, Xunyuan,Wei, Xiaoyi,Lin, Fei,Zhang, Zhixiang,Yao, Guangkai,Yang, Shuai,Zhao, Weijing,Zhao, Chen,Xu, Hanhong

supporting information, p. 3997 - 4003 (2020/06/17)

A new and efficient [5+1] annulation reaction for the first synthesis of 5,5-disubstituted 4,5-dihydropyrazolo[1,5-a]quinazolines is described. This transition-metal-free tandem cyclization was performed with 5-amino-1H-phenylpyrazole and readily availabl

Copper-catalyzed selective S-arylation of 1,2-bis(o-amino-1H-pyrazolyl) disulfides with arylboronic acids

Luo, Pei-Song,Wang, Feng,Li, Jin-Heng,Tang, Ri-Yuan,Zhong, Ping

experimental part, p. 921 - 928 (2009/10/14)

Copper-catalyzed oxidative S-arylation of 1,2-bis(o-amino-1H-pyrazolyl) disulfides with arylboronic acids for the synthesis of (o-amino-1H-pyrazolyl) aryl sulfides has been developed in the presence of CuI, 1,10-phenanthroline, and O2. A variet

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