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118172-64-8

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118172-64-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118172-64-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,1,7 and 2 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 118172-64:
(8*1)+(7*1)+(6*8)+(5*1)+(4*7)+(3*2)+(2*6)+(1*4)=118
118 % 10 = 8
So 118172-64-8 is a valid CAS Registry Number.

118172-64-8Relevant articles and documents

Tyrosol-biotin small molecular probe as well as preparation method and application thereof

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Paragraph 0041-0053, (2021/04/14)

The invention discloses a tyrosol-biotin small molecular probe as well as a preparation method and application thereof. The structural formula of the tyrosol small molecular probe comprises tyrosol, biotin and a connecting chain. In-vitro activity tests s

Iodine(III)-Catalyzed Electrophilic Nitration of Phenols via Non-Br?nsted Acidic NO2+ Generation

Juárez-Ornelas, Kevin A.,Jiménez-Halla, J. Oscar C.,Kato, Terumasa,Solorio-Alvarado, César R.,Maruoka, Keiji

supporting information, p. 1315 - 1319 (2019/03/07)

The first catalytic procedure for the electrophilic nitration of phenols was developed using iodosylbenzene as an organocatalyst based on iodine(III) and aluminum nitrate as a nitro group source. This atom-economic protocol occurs under mild, non-Br?nsted acidic and open-flask reaction conditions with a broad functional-group tolerance including several heterocycles. Density functional theory (DFT) calculations at the (SMD:MeCN)Mo8-HX/(LANLo8+f,6-311+G) level indicated that the reaction proceeds through a cationic pathway that efficiently generates the NO2+ ion, which is the nitrating species under neutral conditions.

Steroid and nitro phenol esters from Bignonia unguis-cati roots

Dinda, Biswanath,De, Utpal Chandra,Achari, Basudev,Arima, Shiho,Sato, Nariko,Harigaya, Yoshihiro

, p. 1514 - 1518 (2007/10/03)

Two new esters, β-sitosterol cerotate 1 and 2-(4-hydroxy-3-nitrophenyl)ethyl stearate 2 have been isolated from the roots of Bignonia unguis-cati (Bignoniaceae) and their structures are elucidated by spectroscopic and chemical studies.

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