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131089-34-4

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131089-34-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131089-34-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,0,8 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 131089-34:
(8*1)+(7*3)+(6*1)+(5*0)+(4*8)+(3*9)+(2*3)+(1*4)=104
104 % 10 = 4
So 131089-34-4 is a valid CAS Registry Number.

131089-34-4Downstream Products

131089-34-4Relevant articles and documents

Palladium-Catalyzed ortho-C-H Glycosylation/ ipso-Alkenylation of Aryl Iodides

Ding, Ya-Nan,Shi, Wei-Yu,Liu, Ce,Zheng, Nian,Li, Ming,An, Yang,Zhang, Zhe,Wang, Cui-Tian,Zhang, Bo-Sheng,Liang, Yong-Min

, p. 11280 - 11296 (2020)

This report describes the first example of palladium-catalyzed ortho-C-H glycosylation/ipso-alkenylation of aryl iodides, and the easily accessible glycosyl chlorides are used as a glycosylation reagent. The reaction is compatible with the functional groups of the substrates, and a series of C-aryl glycosides have been synthesized in good to excellent yield and with excellent diastereoselectivity. It is found that a cheap 5-norbornene-2-carbonitrile as a transient mediator can effectively promote this reaction. In addition, ipso-arylation and cyanation were also realized by the strategy.

One-pot synthesis of orthogonally protected sugars through sequential base-promoted/acid-catalyzed steps: A solvent-free approach with self-generation of a catalytic species

Traboni, Serena,Bedini, Emiliano,Giordano, Maddalena,Iadonisi, Alfonso

supporting information, p. 1777 - 1780 (2019/06/07)

A varied set of solvent-free, one-pot synthetic sequences were developed to carry out the orthogonal protection of saccharide polyols. These sequences are composed of an initial regioselective benzylation, silylation or iodination (under mildly basic cond

Mannose-binding geometry of pradimicin A

Nakagawa, Yu,Doi, Takashi,Taketani, Takara,Takegoshi,Igarashi, Yasuhiro,Ito, Yukishige

supporting information, p. 10516 - 10525 (2013/08/23)

Pradimicins (PRMs) and benanomicins are the only family of non-peptidic natural products with lectin-like properties, that is, they recognize D-mannopyranoside (Man) in the presence of Ca2+ ions. Coupled with their unique Man binding ability, t

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