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123371-44-8

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123371-44-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123371-44-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,3,7 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 123371-44:
(8*1)+(7*2)+(6*3)+(5*3)+(4*7)+(3*1)+(2*4)+(1*4)=98
98 % 10 = 8
So 123371-44-8 is a valid CAS Registry Number.

123371-44-8Relevant articles and documents

Eosin Y photocatalyzed access to Biginelli reaction using primary alcohols via domino multicomponent cascade: an approach towards sustainable synthesis of 3,4-dihydropyrimidin-2(1H)-ones

Bhargava, Gaurav,Kumar, Gobind,Kumar, Rupesh,Kumar, Yogesh

, (2022/03/18)

The Eosin Y photocatalyzed Biginelli protocol has been established by a cascade one-pot three-component reaction of primary alcohols, α-ketoester, and urea to provide pharmacologically promising 3,4-dihydropyrimidin-2(1H)-ones in high yields. The key benefits of the present scheme are the capability to allow operational simplicity, readily available substrates, straightforward workup and high yields. This Eosin Y based photocatalytic approach can permit conquering traditional metal-catalyzed reactions in a sustainable manner, thus delivering economic and environmental rewards. Graphical abstract: An environmentally benign protocol for the synthesis of 3,4-DHPMs has been developed using inexpensive molecular oxygen, visible light as green energy source and eosin Y as photoreceptor-cum-sensitizer. The utilized photoreceptor revealed its unique properties in rapid intersystem crossing, high photo and chemical stability, ease of separation and high catalytic efficiency.[Figure not available: see fulltext.].

Composite of cross-linked chitosan beads and a cyclodextrin nanosponge: A metal-free catalyst for promoting ultrasonic-assisted chemical transformations in aqueous media

Sadjadi, Samahe,Koohestani, Fatemeh

, (2021/05/17)

A novel carbohydrate-based catalytic composite was prepared through covalent decoration of cross-linked chitosan beads with a cyclodextrin nanosponge. In this regard, chitosan beads were fabricated and cross-linked with glutaraldehyde. Subsequently, they

Tungsten-substituted molybdophosphoric acid impregnated with kaolin: effective catalysts for the synthesis of 3,4-dihydropyrimidin-2(1: H)-ones v i a biginelli reaction

Aher, Dipak S.,Khillare, Kiran R.,Chavan, Laxmikant D.,Shankarwar, Sunil G.

, p. 2783 - 2792 (2021/01/28)

A series of highly reusable heterogeneous catalysts (10-25 wt% PMo7W5/kaolin), consisting of tungsten-substituted molybdophosphoric acid, H3PMo7W5O40·24H2O (PMo7W5) impregnated with acid treated kaolin clay was synthesized by the wetness impregnation meth

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