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83503-18-8

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83503-18-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83503-18-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,5,0 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 83503-18:
(7*8)+(6*3)+(5*5)+(4*0)+(3*3)+(2*1)+(1*8)=118
118 % 10 = 8
So 83503-18-8 is a valid CAS Registry Number.

83503-18-8Downstream Products

83503-18-8Relevant academic research and scientific papers

Intramolecular nucleophilic substitution at an sp2 carbon: synthesis of substituted thiazoles and imidazole-2-thiones

Shen, Shu-Su,Lei, Mao-Yi,Wong, Yun-Xuan,Tong, Mun-Ling,Teo, Priscilla Lu-Yi,Chiba, Shunsuke,Narasaka, Koichi

experimental part, p. 3161 - 3163 (2009/08/07)

The nucleophilic substitution reactions of vinylic bromides with intramolecular thioamide or thiourea moieties proceed to give a series of substituted thiazoles and imidazole-2-thiones.

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