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18918-44-0

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18918-44-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18918-44-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,9,1 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 18918-44:
(7*1)+(6*8)+(5*9)+(4*1)+(3*8)+(2*4)+(1*4)=140
140 % 10 = 0
So 18918-44-0 is a valid CAS Registry Number.

18918-44-0Downstream Products

18918-44-0Relevant articles and documents

Synthesis of aryl α-O-L-rhamnopyranoside by two-step reaction in one pot

Liu, Nianping,Tian, Xiangguang,Ding, Zekun,Zhou, Yongda,Zhang, Wan,Wang, Qingbing,Zhang, Yi,Gu, Yijun,Zhang, Jianbo

, p. 220 - 234 (2017)

The title compounds were conveniently synthesized by a phase transfer catalyzed approach in two steps and one pot using the rhamnopyranosyl chloride as key intermediate. The twostep one-pot procedure is more convenient and environmentally friendly, compared to the published synthetic routes. Besides, the structure-reactivity relationship and the plausible mechanism for this base-catalyzed glycosylation were discussed bymeans of the Hammett equation.

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