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87731-83-7

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87731-83-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87731-83-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,3 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87731-83:
(7*8)+(6*7)+(5*7)+(4*3)+(3*1)+(2*8)+(1*3)=167
167 % 10 = 7
So 87731-83-7 is a valid CAS Registry Number.

87731-83-7Relevant articles and documents

Ring opening of 2,6-diaryl-3,5-diphenyl piperidine-4-one by acetic acid: Structural studies and Hirshfeld surface analysis of (E)-4-aryl-1,3-diphenylbut-3-en-2-ones

Vengatesh, Gopal,Sundaravadivelu, Manthiram,Muthusubramanian, Shanmugam

, p. 502 - 514 (2021)

Six α,β-unsaturated carbonyl compounds have been obtained from 2,6-diaryl-3,5-diphenylpiperidine-4-one by the treatment with acetic acid. A plausible mechanism for the ring opening of 2,6-diaryl-3,5-diphenyl piperidin-4-ones is proposed. The resultant (E)

Crystal and molecular structure of 1-methyl-2,3,5,6-tetraphenylpiperidin-4-ol, C30H29NO

Parthasarathi, V.,Beurskens, Paul T.,Behm, H. J. J.,Garcia-Granda, S.,Pillay, M. Krishna

, p. 833 - 840 (2007/10/02)

The structure of the title compound, C30H29NO, was determined by X-rays.Mr = 419.57, triclinic, space group P1, a = 5.8922(12), b = 8.5855(11), c = 12.2216(20) Angstroem, α = 78.145(12) deg, β = 79.181(15) deg, γ = 76.108(14) deg, Vc

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