Lot numbers can be found on the outside label of a product:
Himic anhydride
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CAS No. 2746-19-2
- Cat. No. CS-W008293
- Purity≥97%
- MDL No.MFCD00630580
*For research and further manufacturing use only, not for direct human use.
Structure of 2746-19-2
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General Information
- CAS No. 2746-19-2
- Cat. No. CS-W008293
- Purity ≥97%
- MDL No. MFCD00630580
- Storage -20°C, sealed storage, away from moisture
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₉H₈O₃
- Molecular Weight 164.16
- Synonym(s) None
- SMILES O=C1[C@@]2([H])[C@](C(O1)=O)([H])[C@H]3C[C@@H]2C=C3
Description
Himic anhydride delivers a robust, electron-deficient platform for conjugate additions and cycloadditions. This bench-stable reagent features a strained cyclic structure that enhances reactivity toward nucleophiles while maintaining compatibility with diverse functional groups under standard conditions.
Application
Himic anhydride serves as a robust, bench-stable acylating agent for the selective modification of alcohols and amines under mild conditions. Its cyclic structure enables efficient formation of esters and amides with high functional group tolerance, facilitating streamlined synthesis in complex molecule construction. Widely used in peptide coupling and natural product derivatization, it offers predictable reactivity and clean byproduct removal, making it a reliable choice for scalable laboratory workflows.
Synthesis
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Route1
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873296-28-7 -
108-31-6
- ~89%
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In-stock
2746-19-2
References
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Edlin, Chris D.; Faulkner, James; Quayle, Peter Tetrahedron Letters, 2006 , vol. 47, # 7 p. 1145 - 1151
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References
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Hitachi Chemical Co., Ltd. Patent: EP1669342 A1, 2006 ; Location in patent: Page/Page column 21 ;
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Route3
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In-stock
129-64-6 - ~66%
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In-stock
2746-19-2
References
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ISP INVESTMENTS INC.; MUSA, Osama, M.; EZAT, Khosravi Patent: WO2010/101882 A1, 2010 ; Location in patent: Page/Page column 15 ;
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS05,GHS08
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Signal Word : Danger
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UN#: 1759
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Class : 8
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Packing Group : Ⅲ
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Hazard Statements : H317-H318-H334
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Precautionary Statements : P261-P272-P280-P284-P302+P352-P304+P340-P305+P351+P338-P362+P364-P501
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Quality Control
Computational Chemistry Data
- TPSA 43.37
- LogP 0.5081
- H_Acceptors 3
- H_Donors 0
- Rotatable_Bonds 0
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