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130931-97-4

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130931-97-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130931-97-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,9,3 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 130931-97:
(8*1)+(7*3)+(6*0)+(5*9)+(4*3)+(3*1)+(2*9)+(1*7)=114
114 % 10 = 4
So 130931-97-4 is a valid CAS Registry Number.

130931-97-4Relevant articles and documents

Dimethyltin Dichloride Catalyzed Regioselective Alkylation of cis-1,2-Diols at Room Temperature

Saikam, Varma,Dara, Saidulu,Yadav, Mahipal,Singh, Parvinder Pal,Vishwakarma, Ram A.

, p. 11916 - 11925 (2016/01/09)

Here, we have developed a mild and general method for the regioselective installation of benzyl, allyl, para-methoxybenzyl and naphthyl groups on cis-1,2-diols. The optimized method operates at room temperature using dimethyltin dichloride as catalyst and

Asymmetric desymmetrization of saturated and unsaturated meso-1,2-diols

Fujioka, Hiromichi,Nagatomi, Yasushi,Kotoku, Naoyuki,Kitagawa, Hidetoshi,Kita, Yasuyuki

, p. 10141 - 10151 (2007/10/03)

An asymmetric desymmetrization of saturated and unsaturated cyclic and acyclic meso-1,2-diols has been developed from the ene acetals, prepared from the norbornene carboxyaldehyde and meso-1,2-diols. The intramolecular haloetherification of the ene acetals as a key step afforded 8-membered acetals in a stereoselective manner just by the reaction of norbornene olefin even when the ene acetals from unsaturated meso-1,2-diols having olefins in the same molecule were used. Subsequent reductive elimination, followed by protecting the hydroxy group and transacetalization, gave optically active 1,2-diol derivatives and the starting ene acetals in good yields. (C) 2000 Elsevier Science Ltd.

Highly enantioselective asymmetrization of meso-1,2-diols through a novel and efficient reaction cycle

Fujioka,Nagatomi,Kitagawa,Kita

, p. 12016 - 12017 (2007/10/03)

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