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52864-57-0

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52864-57-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52864-57-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,8,6 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 52864-57:
(7*5)+(6*2)+(5*8)+(4*6)+(3*4)+(2*5)+(1*7)=140
140 % 10 = 0
So 52864-57-0 is a valid CAS Registry Number.

52864-57-0Relevant articles and documents

Cascade intramolecular Prins/Friedel–Crafts cyclization for the synthesis of 4-aryltetralin-2-ols and 5-aryltetrahydro-5H-benzo[7]annulen-7-ols

Meng, Shuyu,Wang, Quanrui,Zheng, Jie

, p. 1481 - 1489 (2021/07/02)

The treatment of 2-(2-vinylphenyl)acetaldehydes or 3-(2-vinylphenyl)propanals with BF3·Et2O results in an intramolecular Prins reaction affording intermediary benzyl carbenium ions, which are then trapped by a variety of electron-ric

SUBSTITUTED OXOPYRIDINE DERIVATIVES

-

Page/Page column 74-75, (2020/07/14)

The invention relates to substituted oxopyridine derivatives and to processes for their preparation, and also to their use for preparing medicaments for the treatment and/or prophylaxis of diseases, in particular vascular disorders, preferably thrombotic

Substitution-Controlled Selective Formation of Hexahydrobenz[ e]isoindoles and 3-Benzazepines via In(OTf)3-Catalyzed Tandem Annulations

Xing, Siyang,Gu, Nan,Wang, Xin,Liu, Jingyi,Xing, Chunyan,Wang, Kui,Zhu, Bolin

supporting information, p. 5680 - 5683 (2018/09/25)

A dramatic N-substituent controlled tandem annulation of 2-(2-(2-bromoethyl)phenyl)-1-sulfonylaziridines with 1,3-dicarbonyl compounds has been developed. When the N-substituent was a 4-methylbenzenesulfonyl group (Ts), sequential ring opening of aziridin

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