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272775-65-2

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272775-65-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 272775-65-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,2,7,7 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 272775-65:
(8*2)+(7*7)+(6*2)+(5*7)+(4*7)+(3*5)+(2*6)+(1*5)=172
172 % 10 = 2
So 272775-65-2 is a valid CAS Registry Number.

272775-65-2Relevant articles and documents

NOVEL COMPOUNDS

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Page/Page column 63, (2009/10/22)

The invention relates to compounds of formula (I), processes for their preparation, intermediates used in these processes, pharmaceutical compositions containing them and their use in therapy, as serotonin (5-HT), dopamine (DA) and norepinephrine (NE), re-uptake inhibitors.

Formaldehyde Encapsulated in Zeolite: A Long-Lived, Highly Activated One-Carbon Electrophile to Carbonyl-Ene Reactions

Okachi, Takahiro,Onaka, Makoto

, p. 2306 - 2307 (2007/10/03)

Gaseous formaldehyde is extremely unstable and readily undergoes self-polymerization to a solid paraformaldehyde or disproportionation to methanol and formic acid in the presence of moisture. We disclose a simple method to stably store such a labile formaldehyde as a monomer in a nanoporous faujasite zeolite at 5 °C for at least 50 days without self-polymerization or disproportionation. The greater stability of formaldehyde encapsulated in zeolite was confirmed by 13C MAS NMR spectroscopy. Formaldehyde was not only stabilized within the zeolite cages but functioned as a powerful electrophile toward various olefins. Zeolite-encapsulated formaldehyde was proved to be a stable but highly reactive C1 reagent. Copyright

An efficient synthesis of enantiomerically pure 2-[(2R)-arylmorpholin- 2-yl]ethanols, key intermediates of tachykinin receptor antagonist

Nishi, Takahide,Ishibashi, Koki,Nakajima, Katsuyoshi,Iio, Yukiko,Fukazawa, Tetsuya

, p. 3251 - 3262 (2007/10/03)

We report herein an efficient and practical synthetic method for the preparation of enantiomerically pure 2[(2R)-arylmorpholin-2-yl]ethanols 1a- d, key intermediates of tachykinin receptor antagonist. Sharpless catalytic asymmetric dihydroxylation of 4a-d was employed to introduce the required absolute stereochemistry, and cyclization of 7a-d was accomplished by the Mitsunobu reaction.

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