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15161-08-7

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15161-08-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15161-08-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,1,6 and 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 15161-08:
(7*1)+(6*5)+(5*1)+(4*6)+(3*1)+(2*0)+(1*8)=77
77 % 10 = 7
So 15161-08-7 is a valid CAS Registry Number.

15161-08-7Downstream Products

15161-08-7Relevant articles and documents

Synthesis of sulfonamides and sulfonic esters via reaction of amines and phenols with thiols using H2O2-POCl3 system

Bahrami, Kiumars,Khodaei, Mohammad M.,Abbasi, Jamshid

, p. 5095 - 5101 (2012/07/28)

Phosphorus oxychloride efficiently promoted the synthesis of sulfonamides and sulfonic esters from thiols with hydrogen peroxide in the presence of Amberlite IRA-400 (OH-). This method has been applied to a variety of substrates including nucleophilic and sterically hindered amines, and also phenols with excellent yields of sulfonamides and sulfonic esters. In most cases these reactions are highly selective, simple, and clean, affording products in excellent yields and high purity.

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