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111184-83-9

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111184-83-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111184-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,1,8 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 111184-83:
(8*1)+(7*1)+(6*1)+(5*1)+(4*8)+(3*4)+(2*8)+(1*3)=89
89 % 10 = 9
So 111184-83-9 is a valid CAS Registry Number.

111184-83-9Relevant articles and documents

Benzotriazole mediated synthesis of some 5-alkyl-dihydro-4H-1,3,5- dithiazines

Peerzada, Naseem,Neely, Ian

, p. 779 - 788 (2000)

An efficient synthesis of N-substituted dihydro-4H-1,3,5-dithiazines is described. N,N-Bis(benzotriazolylmethyl)alkylamines 1 smoothly under go cyclisation reaction in the presence of formaldehyde and hydrogen sulfide to give 5-substituted dihydro-4H-1,3,5-dithiazines 2.

Reactions of Benzotriazole with Formaldehyde and Aliphatic Primary Amines: Selective Formation of 1:1:1, of 2:2:1, and of 2:3:2 Adducts and a Study of their Reactions with Nucleophiles

Katritzky, Alan R.,Pilarski, Boguslaw,Urogdi, Laszlo

, p. 541 - 547 (2007/10/02)

Benzotriazole (BtH) reacts easily with aliphatic primary amines and formaldehyde in aqueous media to give one or more of three types of product: (i) (BtCCH2)2NR (5), (ii) (BtCH2NR)2CH2 (6), and/or (iii) BtCH2NHR (7).The product formed depends on the molar

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