Cas 1189552-11-1,5-(1,2-dimethyl-2-propenyl-1-yl)-4-hydroxy-2-methoxybenzaldehyde

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Check Digit Verification of cas no

The CAS Registry Mumber 1189552-11-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,5,5 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1189552-11:
(9*1)+(8*1)+(7*8)+(6*9)+(5*5)+(4*5)+(3*2)+(2*1)+(1*1)=181
181 % 10 = 1
So 1189552-11-1 is a valid CAS Registry Number.

1189552-11-1Upstream product

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1189552-13-3 C₁₈H₂₄O₄

1189552-11-1Relevant academic research and scientific papers

A short and efficient synthesis of licochalcone E

Li, Jizhen,Mi, Yuhua,He, Jianghua,Deng, Xuming

, p. 2289 - 2292 (2010)

Licochalcone E was synthesized concisely via an abnormal Claisen rearrangement and Claisen-Schmidt condensation as the key reactions in a three-step sequence. The overall yield is 20% starting from prenyl bromide and 4-hydroxy-2-methoxybenzaldehyde. Georg

A concise synthesis of licochalcone E and its Regio-isomer, licochalcone F

Na, Younghwa,Cha, Jeong-Heon,Yoon, Ho-Geun,Kwon, Youngjoo

experimental part, p. 607 - 609 (2009/12/09)

Licochalone E is one of the retrochalcones isolated from Glycyrrhiza inflata which shows potent cytotoxicty against human tumor cell lines. Biological studies suggested that topoisomerase I inhibition correlates with cytotoxic properties. Other research r

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