1,4-Pentadien-3-one, 1,5-bis(4-hydroxy-3,5-dimethylphenyl)- is a complex organic compound with the molecular formula C17H18O2. It is characterized by a 1,4-pentadien-3-one backbone, which is a five-carbon chain with alternating double and single bonds, and a ketone group at the third carbon. The compound features two 4-hydroxy-3,5-dimethylphenyl groups attached to the 1 and 5 positions of the pentadienone chain. These phenyl groups each contain a hydroxyl group at the para position (4th carbon) and two methyl groups at the meta positions (3rd and 5th carbons). This chemical structure endows the compound with unique properties and potential applications in various fields, such as pharmaceuticals, agrochemicals, or as intermediates in the synthesis of other organic compounds.

16603-57-9

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Basic information
1. Product Name: 1,4-Pentadien-3-one, 1,5-bis(4-hydroxy-3,5-dimethylphenyl)-
2. Synonyms:
3. CAS NO:16603-57-9
4. Molecular Formula: C21H22O3
5. Molecular Weight: 322.404
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: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 1,4-Pentadien-3-one, 1,5-bis(4-hydroxy-3,5-dimethylphenyl)-(CAS DataBase Reference)
10. NIST Chemistry Reference: 1,4-Pentadien-3-one, 1,5-bis(4-hydroxy-3,5-dimethylphenyl)-(16603-57-9)
11. EPA Substance Registry System: 1,4-Pentadien-3-one, 1,5-bis(4-hydroxy-3,5-dimethylphenyl)-(16603-57-9)
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: 16603-57-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 16603-57-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,0 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 16603-57:
(7*1)+(6*6)+(5*6)+(4*0)+(3*3)+(2*5)+(1*7)=99
99 % 10 = 9
So 16603-57-9 is a valid CAS Registry Number.

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