2,6-Diketo-21-crown-7 is a cyclic polyether compound characterized by its crown ether structure, which consists of seven oxygen atoms arranged in a cyclic manner, forming a central cavity capable of complexing metal ions. The presence of two keto groups at the 2 and 6 positions enhances its ability to form stable complexes with certain metal ions, making it a potentially useful ligand in coordination chemistry. 2,6-DIKETO-21-CROWN-7 is of interest in various applications, including the synthesis of metal complexes, ion transport, and as a chelating agent in analytical chemistry. Its unique structure and properties make it a subject of study in materials science and chemical research.

63689-62-3

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Basic information
1. Product Name: 2,6-DIKETO-21-CROWN-7
2. Synonyms: 2,6-DIKETO-21-CROWN-7;2,6-DIKETO-4-THIA-12-CROWN-4
3. CAS NO:63689-62-3
4. Molecular Formula: C8H12O5S
5. Molecular Weight: 220.24
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 2,6-DIKETO-21-CROWN-7(CAS DataBase Reference)
10. NIST Chemistry Reference: 2,6-DIKETO-21-CROWN-7(63689-62-3)
11. EPA Substance Registry System: 2,6-DIKETO-21-CROWN-7(63689-62-3)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 63689-62-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 63689-62-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,6,8 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 63689-62:
(7*6)+(6*3)+(5*6)+(4*8)+(3*9)+(2*6)+(1*2)=163
163 % 10 = 3
So 63689-62-3 is a valid CAS Registry Number.

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