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1219794-75-8

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1219794-75-8 Usage

Uses

4-n-Butylaniline-2,3,5,6-d4,ND2 (CAS# 1219794-75-8) is a useful isotopically labeled research compound.

Check Digit Verification of cas no

The CAS Registry Mumber 1219794-75-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,7,9 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1219794-75:
(9*1)+(8*2)+(7*1)+(6*9)+(5*7)+(4*9)+(3*4)+(2*7)+(1*5)=188
188 % 10 = 8
So 1219794-75-8 is a valid CAS Registry Number.

1219794-75-8Upstream product

1219794-75-8Downstream Products

1219794-75-8Relevant articles and documents

Relaxation in an A2 coupled spin system dissolved in a perdeuterated liquid crystal: The intermolecular dipolar random field cross relaxation term

Courtieu, J.,Jullien, J.,Lai, Nguyen Thoi,Guillois, A.,Gonord, P.,et al.

, p. 953 - 959 (2007/10/02)

A perdeuterated nematic liquid crystal N-(p-ethoxybenzylidene)-p-n-butylaniline (EBBA-d23, 98percent deuterium) was synthesized to study relaxation of small molecules dissolved in anisotropic solvents.Proton spin-lattice relaxation in the coupled A2 spin system of methylene chloride (CH2Cl2) was studied using both perhydro and perdeutero EBBA as the solvent.The relaxation was modeled as intramolecular dipole-dipole interactions plus other mechanisms that were treated collectively as fluctuating external random magnetic fields.Comparison of relaxation in EBBA and EBBA-d23 allowed the first experimental measurement of the correlation coefficient between external random fields at the two protons due to dipolar interactions of the methylene protons with the protons or deuterons of the solvent (78percent correlated).The selective nuclear Overhauser effect was also studied.

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