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13079-28-2

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13079-28-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13079-28-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,0,7 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 13079-28:
(7*1)+(6*3)+(5*0)+(4*7)+(3*9)+(2*2)+(1*8)=92
92 % 10 = 2
So 13079-28-2 is a valid CAS Registry Number.

13079-28-2Relevant articles and documents

A facile procedure for preparation of carboxylic sulfonic anhydrides under solvent-free conditions

Hajipour,Mazloumi

, p. 137 - 141 (2003)

A manipulatively one-pot and rapid method for the synthesis of carboxylic sulfonic anhydride from acid chloride or sulfonyl chloride and potassium salt of carboxylic or sulfonic acid under solvent-free conditions is reported. The reaction has been carried out in excellent yield and short reaction time in the presence of DABCO under solvent-free conditions.

A sequential one-pot tandem approach for the synthesis of 4-tosyl-5-aryloxazoles from carboxylic acids

Rajeev, Narasimhamurthy,Swaroop, Toreshettahally R,Anil, Seegehalli M,Kiran, Kuppalli R,Rangappa, Kanchugarakoppal S,Sadashiva, Maralinganadoddi P

, (2018/10/21)

Abstract: An efficient method for the synthesis of 4-tosyl-5-aryloxazoles directly from aromatic carboxylic acids has been reported. The method involves the conversion of aromatic carboxylic acids to tosyl carboxylates by treating with tosyl chloride in t

Phase-Transfer Catalyzed Synthesis of Amides and Esters of Carboxylic Acids

Jaszay, Zsuzsa M.,Petnehazy, Imre,Toeke, Laszlo

, p. 745 - 747 (2007/10/02)

A convenient one-pot procedure is reported for the preparation of carboxamides and carboxylic acid esters from carboxylic acids and amines or alcohols, respectively.The carboxylic acids are activated by sulfonyl chlorides under solid-liquid phase-transfer conditions using solid potassium carbonate as base and a lipophilic quaternary ammonium salt as catalyst.

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