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86488-80-4

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86488-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 86488-80-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,4,8 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 86488-80:
(7*8)+(6*6)+(5*4)+(4*8)+(3*8)+(2*8)+(1*0)=184
184 % 10 = 4
So 86488-80-4 is a valid CAS Registry Number.

86488-80-4Downstream Products

86488-80-4Relevant articles and documents

A simple and efficient synthesis of diaryl ureas with reduction of the intermediate isocyanate by triethylamine

Zhou, Shuguang,Yao, Ting,Yi, Jicheng,Li, Dashuai,Xiong, Jing

, p. 315 - 319 (2013/07/27)

Thirty symmetrical diaryl urea derivatives were synthesised in moderate to excellent yields from arylamine and triphosgene with triethylamine as a reducing agent for the intermediate, isocyanate. It was significant that part of the products could be collected in almost quantitative yield without column chromatography. The procedure under mild reaction conditions was tolerant of a wide range of functional groups. The structures of the compounds were determined by NMR, MS and X-ray crystallographic analyses.

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