Lot numbers can be found on the outside label of a product:
N,N'-Bis-tert-butoxycarbonylthiourea
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CAS No. 145013-05-4
- Cat. No. CS-W014572
- Purity≥98%
- MDL No.MFCD03093917
*For research and further manufacturing use only, not for direct human use.
Structure of 145013-05-4
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General Information
- CAS No. 145013-05-4
- Cat. No. CS-W014572
- Purity ≥98%
- MDL No. MFCD03093917
- Storage Store at room temperature
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₁₁H₂₀N₂O₄S
- Molecular Weight 276.35
- Synonym(s) O,O-di-tert-butyl diimidothiotricarbonate
- SMILES CC(C)(OC(NC(NC(OC(C)(C)C)=O)=S)=O)C
Description
Propargyl-PEG1-acid is a heterobifunctional, PEGylated crosslinker featuring a carboxylic acid at one end and propargyl group at the other for reaction with azide-containing compounds using click chemistry. The hydrophillic PEG linker facilitates solubility in biological applications. Propargyl-PEG1-acid can be used for bioconjugation or as a building block for synthesis of small molecules, conjugates of small molecules and/or biomolecules, or other tool compounds for chemical biology and medicinal chemistry that require ligation. Examples of applications include its synthetic incorporation into antibody-drug conjugates or proteolysis-targeting chimeras (PROTAC molecules) for targeted protein degradation.
Synthesis
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Route1
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In-stock
24424-99-5 -
17356-08-0 - ~92%
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In-stock
145013-05-4
References
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Poss, Michael A.; Iwanowicz, Edwin; Reid, Joyce A.; Lin, James; Gu, Zhengxiang Tetrahedron Letters, 1992 , vol. 33, # 40 p. 5933 - 5936
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Route2
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In-stock
34619-03-9 -
17356-08-0
- ~94%
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In-stock
145013-05-4
References
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Pierce, Larry T.; Cahill, Michael M.; McCarthy, Florence O. Tetrahedron, 2011 , vol. 67, # 25 p. 4601 - 4611
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Route3
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In-stock
24424-99-5
- ~61%
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In-stock
145013-05-4
References
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Oxford, Alexander William; Jack, David Patent: US2003/36542 A1, 2003 ;
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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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 : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 76.66
- LogP 2.3207
- H_Acceptors 5
- H_Donors 2
- Rotatable_Bonds 0
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Key Words
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