Anhydrides are organic compounds that are derived from carboxylic acids by the removal of a water molecule (H2O). They are characterized by the presence of two carbonyl groups (C=O) bonded to the same carbon atom, forming a cyclic structure. Anhydrides are important in various chemical reactions, such as esterification and amidation, and are widely used in the synthesis of pharmaceuticals, plastics, and other industrial products. They can be classified into two main types: mixed anhydrides, which are formed from two different carboxylic acids, and symmetrical anhydrides, which are derived from the same carboxylic acid. Anhydrides are generally reactive and sensitive to moisture, making them useful intermediates in organic synthesis.
4730-60-3
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Basic information
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: anhydride(CAS DataBase Reference)
- NIST Chemistry Reference: anhydride(4730-60-3)
- EPA Substance Registry System: anhydride(4730-60-3)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
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- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 4730-60-3(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 4730-60-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,3 and 0 respectively; the second part has 2 digits, 6 and 0 respectively.Calculate Digit Verification of CAS Registry Number 4730-60:
(6*4)+(5*7)+(4*3)+(3*0)+(2*6)+(1*0)=83
83 % 10 = 3
So 4730-60-3 is a valid CAS Registry Number.
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anhydride
