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124388-95-0

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124388-95-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 124388-95-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,3,8 and 8 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 124388-95:
(8*1)+(7*2)+(6*4)+(5*3)+(4*8)+(3*8)+(2*9)+(1*5)=140
140 % 10 = 0
So 124388-95-0 is a valid CAS Registry Number.

124388-95-0Relevant articles and documents

Total Synthesis of (2S,3S,4R)-2--16-methylheptadecane-1,3,4-triol 3,4-dibenzoate, a Partially Protected Ceramide Part of Sponge Cerebrosides

Nakashima, Hideki,Hirata, Norihiko,Iwamura, Takeru,Yamagiwa, Yoshiro,Kamikawa, Tadao

, p. 2849 - 2858 (1994)

(2S,3S,4R)-2--16-methylheptadecane-1,3,4-triol 3,4-dibenzoate 32, apertially protected ceramide part of a cerebroside from the marine sponge Halichondria japonica, has been synthesized from L-ascorbic acid, and its absolute stereochemistry has been determined.The key steps in the synthesis include the regioselective ring opening of chiral epoxide 5 with a 2-alkyl-2-lithio-1,3-dithiane and the introduction of a hydroxymethylene synthon using Dondoni's protocol to assemble C(1) and C(2) functionality.

An asymmetric synthesis of sulfobacin A

Sharma, Anubha,Gamre, Sunita,Chattopadhyay, Subrata

, p. 3705 - 3707 (2008/02/09)

A facile synthesis of sulfobacin A has been developed starting from (R)-cyclohexylideneglyceraldehyde (11). The key steps in the synthesis are the highly diastereocontrolled allylation of 11 and syn-selective reduction of a ketone derived from 11. The oth

Synthesis of 14-methylpentadecan-3-one and 2-methylheptadecane

Kad, G. L.,Gupta, Sangita

, p. 581 - 583 (2007/10/02)

Li2CuCl4 catalysed coupling of 1-tetrahydropyranyloxy-8-octanylmagnesium bromide (III) with isobutyl bromide yields IV which on depyranylation with PPTS/MeOH followed by treatment with PBr3 affords the key intermediate 1-bromo-10-methylundecane (VI).Regioselective alkylation of α-lithio-2-butanone N,N-dimethylhydrazone with VI in THF at -78 deg C followed by oxidative hydrolysis with aq.NaIO4 at pH 7 results in the formation of 14-methylpentadecan-3-one (I).Coupling of VI with hexylmagnesium bromide using Li2CuCl4 as catalyst furnishes the target compound (II).

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