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194285-51-3

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194285-51-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 194285-51-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,2,8 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 194285-51:
(8*1)+(7*9)+(6*4)+(5*2)+(4*8)+(3*5)+(2*5)+(1*1)=163
163 % 10 = 3
So 194285-51-3 is a valid CAS Registry Number.

194285-51-3Relevant articles and documents

Stimuli-Responsive B/N Lewis Pairs Based on the Modulation of B-N Bond Strength

Hou, Qinggao,Liu, Lijie,Mellerup, Soren K.,Wang, Nan,Peng, Tai,Chen, Pangkuan,Wang, Suning

, p. 6467 - 6470 (2018)

A series of robust organoboranes with electronically tunable functionality of B/N Lewis pairs has been achieved. These compounds feature a B/N-containing core in which the interactions between the B and N atoms are modulated as a result of the structural

Hypervalent organoantimony compounds 12-ethynyl-tetrahydrodibenz[c,f][1,5]azastibocines: Highly efficient new transmetallating agent for organic halides

Kakusawa, Naoki,Tobiyasu, Yoshinori,Yasuike, Shuji,Yamaguchi, Kentaro,Seki, Hiroko,Kurita, Jyoji

, p. 2953 - 2968 (2007/10/03)

Extremely efficient and high-speed ethynylation of acyl chlorides, aryl iodides and bromides was demonstrated by palladium-catalyzed cross-coupling reaction of N-t-butyl-Sb-ethynyl-5,6,7,12-tetrahydrodibenz[c,f][1,5]azastibocine under mild conditions. Optimization and generalization of the hypervalent antimony-mediated coupling reaction are presented in detail. Single-crystal X-ray analysis of the N-methyl-1,5-azastibocine revealed that the remarkable reactivity enhancement of the azastibocine was derived from elongation of the antimony-ethynyl carbon bond originated from Sb-N intramolecular non-bonding interaction.

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