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54814-41-4

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54814-41-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54814-41-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,8,1 and 4 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 54814-41:
(7*5)+(6*4)+(5*8)+(4*1)+(3*4)+(2*4)+(1*1)=124
124 % 10 = 4
So 54814-41-4 is a valid CAS Registry Number.

54814-41-4Relevant articles and documents

C28Terpenoids from Lamiaceous Plant Perovskia scrophulariifolia: Their Structures and Anti-neuroinflammatory Activity

Itoh, Kohji,Kajihara, Seita,Kashiwada, Yoshiki,Mamadalieva, Nilufar Z.,Niwa, Kanji,Tanaka, Naonobu,Tsuji, Daisuke

, p. 7667 - 7670 (2020/10/09)

Structurally unique C28 terpenoids, perovsfolins A (1) and B (2), were isolated from the aerial parts of an Uzbek medicinal plant, Perovskia scrophulariifolia (Lamiaceae). Their chemical structures including an unprecedented 6/8/6/6/6 pentacyclic carbon skeleton with a C6-C3 ester moiety were elucidated on the basis of spectroscopic analyses aided by density functional theory calculations as well as chemical evidence. Perovsfolin B (2) exhibited an anti-neuroinflammatory activity.

Stereoselective α-Hydroxylation of Amides Using Oppolzer's Sultam as Chiral Auxiliary

Zhang, Lumin,Zhu, Lili,Yang, Jun,Luo, Jisheng,Hong, Ran

, p. 3890 - 3900 (2016/05/24)

An Oppolzer's sultam-based highly stereoselective α-hydroxylation of amides was developed to deliver the desired products in good yield and excellent diastereoselectivity (>20/1). The generally crystalline products and the recyclability of the chiral auxiliary illustrate the practicability and scalability of the current approach.

Asymmetric transfer hydrogenation of α-azido acrylates

Ji, Yang,Xue, Ping,Ma, Dan-Dan,Li, Xue-Qiang,Gu, Peiming,Li, Rui

supporting information, p. 192 - 194 (2015/02/05)

The asymmetric transfer hydrogenation of α-azido acrylates has been explored, a range of α-hydroxy esters are produced with good enantioselectivities (80-90% ee). The reaction was conducted in the wet HCO2H/NEt3 with Ru-TsDPEN A.

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