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17028-66-9

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17028-66-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17028-66-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,0,2 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 17028-66:
(7*1)+(6*7)+(5*0)+(4*2)+(3*8)+(2*6)+(1*6)=99
99 % 10 = 9
So 17028-66-9 is a valid CAS Registry Number.

17028-66-9Relevant articles and documents

Preparation method of methylthiazoline

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Paragraph 0034; 0063, (2020/11/12)

The invention provides a preparation method of methylthiazoline. According to the method, a one-pot-process low-temperature acylation esterification oxidation technology, an organic base catalysis chiral conversion technology, a desulfurization ring-opening synthesis technology, a comprehensive cyclic solvent utilization technology and a byproduct recycling technology are integrated, and the method is mature in technology, simple in synthesis process, few in reaction steps and low in raw material consumption and has the characteristics of good atom economy, good product quality and low cost.

Kinetic approach to the development in β lactam antibiotics. I. Comparative stability of semisynthetic penicillins and 6 aminopenicillanic acid in aqueous solution

Yamana,Tsuji,Mizukami

, p. 1186 - 1197 (2007/10/05)

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