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1097201-77-8

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1097201-77-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1097201-77-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,7,2,0 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1097201-77:
(9*1)+(8*0)+(7*9)+(6*7)+(5*2)+(4*0)+(3*1)+(2*7)+(1*7)=148
148 % 10 = 8
So 1097201-77-8 is a valid CAS Registry Number.

1097201-77-8Downstream Products

1097201-77-8Relevant articles and documents

An efficient method for the synthesis of N-acylsulfonamides: One-pot sulfonylation and acylation of primary arylamines under solvent-free conditions

Massah, Ahmad R.,Azadi, Davood,Aliyan, Hamid,Momeni, Ahmad R.,Naghash, Hamid Javaherian,Kazemi, Foad

experimental part, p. 233 - 240 (2009/05/26)

The preparation of N-acylsulfonamides is described using primary amines, arylsulfonyl chlorides and acyl chlorides. Reaction of primary aryl amines with arylsulfonyl chlorides in the presence of NaHCO3 produced N-arylsulfonamides, which reacted in situ with benzoyl chloride furnishing the corresponding N-benzoyl-N-arylsulfonamides in 72-96% yields. Accordingly, 4-nitrobenzoyl chloride and 3,5-dinitrobenzoyl chloride were used as acylating agents. All the reactions were carried out under solvent-free conditions at room temperature and the products were isolated after simple work-up in high yields and purity.

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