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72850-81-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72850-81-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,8,5 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 72850-81:
(7*7)+(6*2)+(5*8)+(4*5)+(3*0)+(2*8)+(1*1)=138
138 % 10 = 8
So 72850-81-8 is a valid CAS Registry Number.

72850-81-8Downstream Products

72850-81-8Relevant articles and documents

Syntheses and Reactions of 2-Halo-5-thiazolecarboxylates

Lee, Len F.,Schleppnik, Francis M.,Howe, Robert K.

, p. 1621 - 1630 (2007/10/02)

A variety of 2-halo-5-thiazolecarboxylates was prepared from substituted-3-aminoacrylates and 3-ketoesters.Selective reduction of 2-chloro-5-thiazolecarboxylates 4a, 4i and 4j with sodium borohydride in ethanol provided the corresponding 2-halo-5-thiazolemethanols 27 - 29.Nucleophilic displacement on methyl methanesulfonate (32c) occured selectivity at the 5-substituent to provide 2-chloro-4-(trifluoromethyl)-5-(heteroatom-substituted methyl)thiazoles 32d-f.

2,4-Disubstituted-5-thiazole-carboxylic acids and derivatives

-

, (2008/06/13)

2,4-Disubstituted-5-thiazolecarboxylic acids and derivatives thereof have been found to reduce herbicidal injury of corn, rice and sorghum plants due to the application thereto of acetamide herbicides.

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