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35301-25-8

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35301-25-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 35301-25-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,3,0 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 35301-25:
(7*3)+(6*5)+(5*3)+(4*0)+(3*1)+(2*2)+(1*5)=78
78 % 10 = 8
So 35301-25-8 is a valid CAS Registry Number.

35301-25-8Relevant articles and documents

The synthesis and biological characterization of a ceramide library

Chang, Young-Tae,Choi, Jaehwa,Ding, Sheng,Prieschl, Eva E.,Baumruker, Thomas,Lee, Jae-Mok,Chung, Sung-Kee,Schultz, Peter G.

, p. 1856 - 1857 (2007/10/03)

A facile synthesis of a combinatorial ceramide library and their activities in the NF-κB pathway and in apoptosis induction/prevention were demonstrated. A novel NF-κB activating molecule was discovered among ceramide containing β-galactose, and the structural requirements of ceramides for apoptosis induction was elucidated. Copyright

Iodocyclofunctionalization of (E)-1-Trichloroacetimidoalk-2-enes. Synthesis of (+/-)-erythro-Sphinganine Triacetate

Bongini, Alessandro,Cardillo, Giuliana,Orena, Mario,Sandri, Sergio,Tomasini, Claudia

, p. 1345 - 1350 (2007/10/02)

From the iodocyclization of (E)-1-trichloroacetimido-octadec-2-ene, 5-iodo-4-pentadecyl-2-trichloromethyl-5,6-dihydro-4H-oxazine was unexpectedly obtained, whose structue was assigned from i.r. and (1)H n.m.r. spectra.The stereostructure of this oxazine was further confirmed by chemical evidence: thus, the compound was hydrolysed on silica gel to give 2-iodo-3-trichloroacetimido-octadecan-1-ol, and successive treatment with Amberlyst A 26 (CO3(2-) form) yielded cis-5-hydroxymethyl-4-pentadecyl-4,5-dihydro-oxazole, whose configuration was determined by (1)H n.m.r. data.Acidic hydrolysis of this oxazole and acetylation led to erythro-3-aminno-octadecane-1,2-diol triacetate.To ascertain definitively the structure of this triacetate, 3-trichloroacetamido-octadec-1-ene was cyclized, to yield 5-iodomethyl-4-pentadecyl-4,5-dihydro-oxazole as a 45:55 cis:trans mixture.After hydrolysis of the cis-isomer, treatment with Amberlyst A 26 (AcO(1-) form), and full acetylation, the aforementioned erythro-triacetate was obtained.Confirming the unequivocal assignment of the stereostructure of 5-iodo-4-pentadecyl-2-trichloromethyl-5,6-dihydro-4H-oxazine, its acidic cleavage gave 3-amino-1-iodo-octadecan-2-ol hydrochloride.By treatment of this salt with Amberlyst A 26 (AcO(1-) form), full acetylation of the product afforded (+/-)-erythro-sphinganine triacetate in good yield, contaminated with a minor amount of the regioisomeric 3-amino-octadecanediol-triacetate.

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