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111184-81-7

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111184-81-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111184-81-7 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 1 respectively.
Calculate Digit Verification of CAS Registry Number 111184-81:
(8*1)+(7*1)+(6*1)+(5*1)+(4*8)+(3*4)+(2*8)+(1*1)=87
87 % 10 = 7
So 111184-81-7 is a valid CAS Registry Number.

111184-81-7Relevant articles and documents

Synthesis of 3,4-dihydro-2H-1,3,5-thiadiazines

Katritzky, Alan R.,Vakulenko, Anatoliy V.,Xu, Yong-Jiang,Steel, Peter J.

, p. 4960 - 4962 (2002)

3,4-Dihydro-2H-1,3,5-thiadiazines substituted at the 3 and 6 positions were synthesized by treatment of N-substituted N,N-bis(1H-1,2,3-benzotriazol-1-ylmethyl)-amines with thioamides and zinc bromide in dry CH2Cl2 at room temperature for 48-60 h in 48-80% yields.

The Chemistry of Benzotriazole. Part 3. The Aminoalkylation of Benzotriazole

Katritzky, Alan R.,Rachwal, Stanislaw,Rachwal, Bogumila

, p. 799 - 804 (2007/10/02)

1-(1-Hydroxyalkyl)benzotriazoles convert a wide variety of aromatic and heteroaromatic primary amines into their mono N- derivatives in high yield.Aliphatic primary amines frequently give bis-derivatives.Product structure is established by 13C n.m.r.; dangers in the use of 1H n.m.r. to distinguish 1- and 2-substituted benzotriazoles are pointed out.

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