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70155-33-8

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70155-33-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70155-33-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,1,5 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70155-33:
(7*7)+(6*0)+(5*1)+(4*5)+(3*5)+(2*3)+(1*3)=98
98 % 10 = 8
So 70155-33-8 is a valid CAS Registry Number.

70155-33-8Relevant articles and documents

The First Racemic Total Syntheses of the Antiplasmodials Watsonianones A and B and Corymbone B

Zhang, Xiao,Wu, Guiyun,Huo, Luqiong,Guo, Xueying,Qiu, Shengxiang,Liu, Hongxin,Tan, Haibo,Hu, Yingjie

, p. 3 - 7 (2019/11/21)

The first biomimetic total syntheses of three biologically meaningful acylphloroglucinols, watsonianones A and B and corymbone B, with potent antiplasmodial activity, were performed. Their total syntheses were carried out through a diversity-oriented synthetic strategy from congener 2,2,4,4-tetramethyl-6-(3-methylbutylidene)cyclohexane-1,3,5-trione with high step efficiency. The spontaneous enolization/air oxidation of the precursor 2,2,4,4-tetramethyl-6-(3-methylbutylidene)cyclohexane-1,3,5-trione through a singlet O2-induced Diels-Alder reaction pathway to assemble the key biosynthetic peroxide intermediate is also discussed.

Syntheses of 2,4,6-trihydroxy-, 2,4,6-trihydroxy-5-methyl- and 2,4,5,6-tetrahydroxy-substituted 3-(3-phenylpropionyl)benz-aldehydes and their bactericidal activity

Sato,Obara,Takeuchi,Tawaraya,Endo,Onodera

, p. 491 - 493 (2007/10/02)

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