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198329-77-0

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198329-77-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 198329-77-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,3,2 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 198329-77:
(8*1)+(7*9)+(6*8)+(5*3)+(4*2)+(3*9)+(2*7)+(1*7)=190
190 % 10 = 0
So 198329-77-0 is a valid CAS Registry Number.

198329-77-0Relevant articles and documents

Synthesis and microbial activity of new 1,4-benzothiazines bearing paracetamol moiety

Patil,Bondge,Bhingolikar,Mane

, p. 1513 - 1515 (2007/10/03)

5-Acetamido-2-hydroxyacetophenone 1 on condensation with aroyl/heteroyl chlorides in pyridine gives esters, 2-acyl-4-acetamidophenyl aroylates / heteroylates 2 which are subjected to B.V. transformation to get 1-aryl-3-[2′-hydroxy-5′-acetamidophenyl]-1,3-propanediones 3. The 1,3-propanediones 3 when condensed with 2-aminobenzenethiols in dimethyl sulfoxide yield the title compounds, 2-[2′-hydroxy-5′-acetamidobenzoyl]-3-aryl/heteryl7- substituted-4H-1,4-benzothiazines 4. The microbial activity of the title compounds has been evaluated.

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