2H-Pyran, 3,4-dihydro-5-methyl- is an organic compound belonging to the pyran family, characterized by a six-membered oxygen-containing ring structure. It is also known as 3,4-dihydro-5-methyl-2H-pyran or 5-methyldihydropyran. This chemical features a methyl group attached to the 5th carbon position and has a total of 7 carbon atoms. It is an important intermediate in the synthesis of various organic compounds, particularly in the preparation of protected alcohols and other functional group transformations. The compound is insoluble in water but soluble in organic solvents, and it is commonly used in the pharmaceutical and chemical industries for the synthesis of complex molecules and protective groups.
15990-73-5
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Basic information
- Product Name: 2H-Pyran, 3,4-dihydro-5-methyl-
- Synonyms:
- CAS NO:15990-73-5
- Molecular Formula: C6H10O
- Molecular Weight: 98.1448
- EINECS: N/A
- Product Categories: N/A
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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: 2H-Pyran, 3,4-dihydro-5-methyl-(CAS DataBase Reference)
- NIST Chemistry Reference: 2H-Pyran, 3,4-dihydro-5-methyl-(15990-73-5)
- EPA Substance Registry System: 2H-Pyran, 3,4-dihydro-5-methyl-(15990-73-5)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 15990-73-5(Hazardous Substances Data)
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15990-73-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15990-73-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,9,9 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.Calculate Digit Verification of CAS Registry Number 15990-73:
(7*1)+(6*5)+(5*9)+(4*9)+(3*0)+(2*7)+(1*3)=135
135 % 10 = 5
So 15990-73-5 is a valid CAS Registry Number.
15990-73-5Upstream product
15990-73-5Downstream Products
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2H-Pyran, 3,4-dihydro-5-methyl-
