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38253-64-4

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38253-64-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 38253-64-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,2,5 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 38253-64:
(7*3)+(6*8)+(5*2)+(4*5)+(3*3)+(2*6)+(1*4)=124
124 % 10 = 4
So 38253-64-4 is a valid CAS Registry Number.

38253-64-4Relevant articles and documents

Synthesis and structural elucidation of novel camphor-derived thioureas

Groselj, Uros,Golobic, Amalija,Stare, Katarina,Svete, Jurij,Stanovnik, Branko

, p. 307 - 317 (2012/06/18)

Nine novel (+)-camphor-derived thioureas have been prepared. 3-((Dimethylamino)methylene)camphor (2) served as the common precursor for the preparation of both, 2-thiourea 15-20 and 3-thiourea functionalized camphor derivatives 6, 7/7′, respectively. Starting from 2, the latter were prepared in two or three steps whereas the former in five steps, respectively. Configuration of all novel compounds has been meticulously determined using NMR techniques and/or single crystal X-ray crystallography. Copyright

THE OCTANT RULE XXIII. ANTIOCTANT EFFECTS IN γ,δ-UNSATURATED KETONES

Toan, Vien Van,Lightner, David A.

, p. 5769 - 5774 (2007/10/02)

The exo and endo α-benzyl derivatives (1 and 2. respectively) of (+)-camphor have been synthesized and are found to exert a strong influence on the circular dichroism n?* Cotton effects: 1: Δε301max -0.36 (n-heptane) and 2: Δε302max +3.22, relative to camphor: Δε304max + 1.8 (n-heptane).Evidence for electric dipole transition moment coupling in these γ,δ-unsaturated systems is found in the n?* UV: 1: ε291max 84 (n-heptane) and 2: ε285max 303, relative to camphor: ε290max 25.

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