Cas 1417416-02-4,dibutyl 2-(tosylamino)succinate

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Check Digit Verification of cas no

The CAS Registry Mumber 1417416-02-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,7,4,1 and 6 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1417416-02:
(9*1)+(8*4)+(7*1)+(6*7)+(5*4)+(4*1)+(3*6)+(2*0)+(1*2)=134
134 % 10 = 4
So 1417416-02-4 is a valid CAS Registry Number.

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1417416-02-4Relevant articles and documents

Ultrasound-promoted solvent-free aza-Michael addition of p-toluenesulfonamide to fumaric esters by potassium carbonate: Synthesis of p-toluenesulfonamide derivatives

Imanzadeh, Gholamhassan,Kazemi, Fatemeh,Zamanloo, Mohammadreza,Mansoori, Yagoub

, p. 722 - 728 (2013/02/22)

An efficient, mild, inexpensive and eco-friendly protocol for the synthesis of p-toluenesulfonamide derivatives by aza-Michael addition reaction of p-toluenesulfonamide to fumaric esters using potassium carbonate under ultrasound irradiation was developed

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1417416-02-4