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98586-20-0

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98586-20-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98586-20-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,5,8 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98586-20:
(7*9)+(6*8)+(5*5)+(4*8)+(3*6)+(2*2)+(1*0)=190
190 % 10 = 0
So 98586-20-0 is a valid CAS Registry Number.

98586-20-0Relevant articles and documents

Synthesis and photoluminescent properties of new ceramidine derivatives

Park, Byung Sun,Lee, Sang Woo,Kim, In Tae,Tae, Jin Sung,Lee, So Ha

, p. 66 - 73 (2012)

A series of new ceramidine derivatives 8a-f has been synthesized in 4-5 steps involving a Wittig reaction of ceramidonine with various triphenylphosphonium bromides. Their UV and photoluminescence (PL) properties are reported. The compounds showed medium to strong PL between 502 and 522 nm at a concentration of 1 × 10-5 M CH2Cl2.

Carbon Acidity. 66. Equilibrium Ion Pair Acidities of Substituted Diphenylmethanes in Cyclohexylamine

Streitwieser, Andrew Jr.,Vorpagel, Erich R.,Chen, Chia-Chung

, p. 6970 - 6975 (2007/10/02)

The pKCsCHA values are reported for a number of symmetrically meta- and para-substituted diphenylmethanes.The pKCsCHA values for the meta series (Me, 33.8; OMe, 32.7; F, 29.9; CF3, 28.9; Ph, 32.3; H, 33.4) give a normal Hammett plot with ρ = 9.69.The para series (Me, 35.1; OMe,37.6; Ph, 30.8; NMe2, 38.6; SPh, 28.8; CN, 23.0; SO2Me, 22.4) do not fit attempted correlations with ?, the Yukawa-Tsuno modifications, or dual substituent parameter approaches.Electron-donating groups are more anion destabilizing than in other reference systems. "Amphoteric" substituents, those that stabilize both anions and cations (phenyl, thio, etc.), cause special problems in generalized correlations.

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