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38251-86-4

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38251-86-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 38251-86-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,2,5 and 1 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 38251-86:
(7*3)+(6*8)+(5*2)+(4*5)+(3*1)+(2*8)+(1*6)=124
124 % 10 = 4
So 38251-86-4 is a valid CAS Registry Number.

38251-86-4Downstream Products

38251-86-4Relevant articles and documents

MeOTf/KI-catalyzed efficient synthesis of 2-arylnaphthalenesviacyclodimerization of styrene oxides

Chen, Chao,Xi, Chanjuan,Zhang, Zeyu,Zou, Song

, p. 8559 - 8565 (2021/10/20)

The MeOTf/KI-catalyzed synthesis of 2-arylnaphthalene derivatives from aryl ethylene oxides in alcohol under ambient conditions is described. The present protocol has a higher atom efficiency and wider substrate applicability with excellent yields. The reaction proceeded using the aryl ethylene oxides to give 2-arylnaphthalenes either in homo-coupling or in cross-coupling. The reaction could also be carried out at the gram scale in minutes.

Synthesis of 2-phenylnaphthalenes from styrene oxides using a recyclable Bronsted acidic [HNMP]+HSO4- ionic liquid

Wagh, Kishor V.,Bhanage, Bhalchandra M.

supporting information, p. 4446 - 4451 (2015/08/11)

This work reports a novel and efficient protocol for the synthesis of 2-phenylnaphthalenes from styrene oxides using a recyclable ionic liquid. The ionic liquid N-methyl-2-pyrrolidone hydrogensulfate [HNMP]+HSO4- played the dual role of a catalyst and a solvent. It efficiently constructs 2-phenylnaphthalene and its derivatives in excellent yields with much simplicity in the operation. The present protocol has higher atom efficiency and wider substrate applicability. The [HNMP]+HSO4- has been effectively recycled for up to five consecutive cycles without appreciable loss in its activity.

Trypanocidal diamidines with three rings in two isolated ring systems

Dann,Fernbach,Pfeifer,Demant,Bergen,Lang,Lürding

, p. 37 - 87 (2007/10/04)

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