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129729-51-7

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129729-51-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129729-51-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,7,2 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 129729-51:
(8*1)+(7*2)+(6*9)+(5*7)+(4*2)+(3*9)+(2*5)+(1*1)=157
157 % 10 = 7
So 129729-51-7 is a valid CAS Registry Number.

129729-51-7Relevant articles and documents

Dual-participation protecting group solves the anomeric stereocontrol problems in glycosylation reactions

Liu, Hui,Hansen, Thomas,Zhou, Si-Yu,Wen, Guo-En,Liu, Xu-Xue,Zhang, Qing-Ju,Codeé, Jeroen D. C.,Schmidt, Richard R.,Sun, Jian-Song

, p. 8713 - 8717 (2019/10/28)

The 2,2-dimethyl-2-(ortho-nitrophenyl)acetyl (DMNPA) group permits, via robust neighboring group participation (NGP) or long distance participation (LDP) effects, the stereocontrolled 1,2-trans, 1,2-cis, as well as β-2,6-dideoxy glycosidic bond generation, while suppressing the undesired orthoester byproduct formation. The robust stereocontrol capability of the DMNPA is due to the dual-participation effect from both the ester functionality and the nitro group, verified by control reactions and DFT calculations and further corroborated by X-ray spectroscopy.

Glycosylation with 2-Acetamido-2-deoxyglycosyl Donors at a Low Temperature: Scope of the Non-Oxazoline Method

Arihara, Ryoichi,Kakita, Kosuke,Suzuki, Noritoshi,Nakamura, Seiichi,Hashimoto, Shunichi

, p. 4259 - 4277 (2015/05/13)

A direct construction of 1,2-trans-β-linked 2-acetamido-2-deoxyglycosides was investigated. The 3,4,6-tri-O-benzyl- and 3,4,6-tri-O-acetyl-protected glycosyl diethyl phosphites and 4,6-O-benzylidene-protected galactosyl diethyl phosphite each reacted with

H2so4-silica promoted direct formation of β-glycosides of N-Acetyl glycosylamines under microwave conditions

Mandai, Santanu,Sharma, Nayan,Mukhopadhyay, Balaram

experimental part, p. 3111 - 3114 (2010/03/03)

N-Acetyl glycosamines are important building blocks for the synthesis of biologically active oligosaccharides. This communication describes a simple direct protocol for the synthesis of βglycosides of N-acetyl glycosylamines from easily accessible perO-ac

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