Lot numbers can be found on the outside label of a product:
4-Nitrophenyl acetate
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CAS No. 830-03-5
- Cat. No. CS-W017169
- Purity≥98%
- MDL No.MFCD00007326
*For research and further manufacturing use only, not for direct human use.
Structure of 830-03-5
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General Information
- CAS No. 830-03-5
- Cat. No. CS-W017169
- Purity ≥98%
- MDL No. MFCD00007326
- Storage Store at room temperature
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₈H₇NO₄
- Molecular Weight 181.15
- Synonym(s) p-Nitrophenol acetate
- SMILES CC(OC1=CC=C([N+]([O-])=O)C=C1)=O
Description
Dextran is a polymer of anhydroglucose. It is composed of approximately 95% alpha-D-(166) linkages. The remaining (163) linkages account for the branching of dextran. Conflicting data on the branch lengths implies that the average branch length is less than three glucose units. However, other methods indicate branches of greater than 50 glucose units exist. Native dextran has been found to have a molecular weight (MW) in the range of 9 million to 500 million. Lower MW dextrans will exhibit slightly less branching and have a more narrow range of MW distribution. Dextrans with MW greater than 10,000 behave as if they are highly branched. As the MW increases, dextran molecules attain greater symmetry. Dextrans with MW of 2,000 to 10,000, exhibit the properties of an expandable coil. At MW below 2,000, dextran is more rod-like. The MW of dextran is measured by one or more of the following methods: low angle laser light scattering, size exclusion chromatography, copper-complexation and anthrone reagent colorometric reducing-end sugar determination and viscosity.Dextran labeled with fluorescein isothiocyanate for possible use in perfusion studies in animals.
Synthesis
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Route1
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100-02-7 -
108-24-7
- ~99%
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In-stock
830-03-5
References
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Zareyee, Daryoush; Ghadikolaee, Abdollah Razaghi; Khalilzadeh, Mohammad A. Canadian Journal of Chemistry, 2012 , vol. 90, # 5 p. 464 - 468
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Route2
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100-02-7
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155164-63-9
- ~91%
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In-stock
830-03-5
References
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Kim, Bo Ram; Sung, Gi Hyeon; Lee, Sang-Gyeong; Yoon, Yong Jin Tetrahedron, 2013 , vol. 69, # 15 p. 3234 - 3237
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Route3
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100-02-7
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75-36-5
- ~97%
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In-stock
830-03-5
References
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Ghosh, Rina; Maiti, Swarupananda; Chakraborty, Arijit Tetrahedron Letters, 2004 , vol. 45, # 36 p. 6775 - 6778
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS03,GHS05,GHS07
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Signal Word : Danger
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H272-H317-H318
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Precautionary Statements : P210-P220-P261-P272-P280-P302+P352-P363-P370+P378-P501
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Quality Control
Computational Chemistry Data
- TPSA 69.44
- LogP 1.5201
- H_Acceptors 4
- H_Donors 0
- Rotatable_Bonds 2
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Key Words
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