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337513-52-7

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337513-52-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 337513-52-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,7,5,1 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 337513-52:
(8*3)+(7*3)+(6*7)+(5*5)+(4*1)+(3*3)+(2*5)+(1*2)=137
137 % 10 = 7
So 337513-52-7 is a valid CAS Registry Number.

337513-52-7Relevant articles and documents

Black yet green: A?heterogenous carbon-based acid catalyst for the synthesis of biscyclic derivatives under eco-friendly conditions

Agarwal, Shikha,Sethiya, Ayushi,Teli, Pankaj

, (2021/12/09)

In this study, a simple, cost-efficient and green protocol has been described for the synthesis of biscoumarin and bisdimedone derivatives via one-pot Knoevenagel–Michael reaction of aromatic aldehydes with 4-hydroxycoumarin and dimedone, respectively. Th

Selective synthesis of spiro and dispiro compounds using Mn(III)-based oxidation of tetracarbonyl compounds

Hisano, Kazuki,Nishikawa, Satomi,Nishino, Hiroshi,Shibuya, Keisuke,Yokote, Suzuka

supporting information, (2020/04/21)

The Mn(III)-based oxidation of methylenebis(cyclohexanedione)s and methylenebis(piperidinedione)s as a tetracarbonyl compound was investigated under various conditions, selectively producing spiro dihydrofurans and dispiro cyclopropanes depending on the solvent. The mechanism for the formation of the spiro dihydrofurans and dispiro cyclopropanes was discussed. In addition, a simple synthesis of a new type of alkaloid, 3,4,6,7,8,10-hexahydro-1H-pyrano[3,2-c:5,6-c’]dipyridine-1,9(2H)-diones, was demonstrated.

Chemoselective Synthesis of Tetraketones in Water Catalyzed by Nanostructured Diphosphate Na2CaP2O7

Maleki, Behrooz,Raei, Massomeh,Alinezhad, Heshmatollah,Tayebee, Reza,Sedrpoushan, Alireza

, p. 288 - 300 (2018/05/29)

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