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78700-43-3

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78700-43-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78700-43-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,7,0 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 78700-43:
(7*7)+(6*8)+(5*7)+(4*0)+(3*0)+(2*4)+(1*3)=143
143 % 10 = 3
So 78700-43-3 is a valid CAS Registry Number.

78700-43-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name Z-D-Ser(But)-OTce

1.2 Other means of identification

Product number -
Other names Z-D-Ser(tBu)-OTce

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:78700-43-3 SDS

78700-43-3Relevant articles and documents

Syntheses of triostin a antibiotic and nucleobase-functionalized analogs as new DNA binders

Ray, Anmol Kumar,Diederichsen, Uif

, p. 4801 - 4809 (2009)

A total synthesis of the natural product triostin A, wherein the N-methylated depsipeptide scaffold is constructed by solution-phase peptide chemistry followed by disulfide formation and macrocyclization, is described, Finally, the quinoxal.in.es were att

Synthetic studies on quinoxaline antibiotics: II. Synthesis of triostin A

Shin,Otsuka

, p. 2203 - 2210 (2007/10/02)

Triostin A, a cyclic octadepsipeptide, was synthesized with Z-D-Ser[Boc-Ala-MeCys(Bzl)-MeVal]-OH and Z-n-Ser[H-Ala-MeCys(Bzl)-MeVal]-OTce as key intermediates. The synthetic antibiotic was compared with natural triostin A in terms of chromatographic behaviors, NMR spectra, and antomicrobial activity to establish their identity. The NMR data on S,S'-dibenzyldihydrotriostin A showed that this intermediate lacking the disulfide linkage also existed as two conformers in chloroform. This observation excludes the possibility that the conformer equilibrium known to occur with triostin A is a consequence of the reversed chirality of the disulfide bond. Triostin A, a cyclic octadepsipeptide, was synthesized with Z-D-Ser left bracket Boc-Ala-MeCys(Bzl)-MeVal right bracket -OH and Z- D-Ser left bracket H-Ala-MeCys(Bzl)-MeVal right bracket -OTce as key intermediates. The synthetic antibiotic was compared with natural triostin A in terms of chromatographic behaviors, NMR spectra, and antimicrobial activity to establish their identity. The NMR data on S,S prime -dibenzyldihydrotriostin A showed that this intermediate lacking the disulfide linkage also existed as two conformers in chloroform. This observation excludes the possibility that the conformer equilibrium known to occur with triostin A is a consequence of the reversed chirality of the disulfide bond.

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