4-Methoxycarbonyloxy-but-3-en-2-one, also known as 4-methoxycarbonyloxybut-3-en-2-one, is an organic compound with the molecular formula C6H8O4. It is a derivative of but-3-en-2-one, featuring a methoxycarbonyloxy group (-OCH2COO-) at the 4-position. 4-methoxycarbonyloxy-but-3-en-2-one is characterized by its conjugated diene system and a carbonyl group, which contribute to its reactivity and potential applications in organic synthesis. It can be used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. The compound's structure allows for a range of chemical transformations, making it a versatile building block in the creation of more complex molecules.

999-69-9

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Basic information
1. Product Name: 4-methoxycarbonyloxy-but-3-en-2-one
2. Synonyms: 4-methoxycarbonyloxy-but-3-en-2-one
3. CAS NO:999-69-9
4. Molecular Formula:
5. Molecular Weight: 144.127
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: 4-methoxycarbonyloxy-but-3-en-2-one(CAS DataBase Reference)
10. NIST Chemistry Reference: 4-methoxycarbonyloxy-but-3-en-2-one(999-69-9)
11. EPA Substance Registry System: 4-methoxycarbonyloxy-but-3-en-2-one(999-69-9)
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: 999-69-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 999-69-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,9 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 999-69:
(5*9)+(4*9)+(3*9)+(2*6)+(1*9)=129
129 % 10 = 9
So 999-69-9 is a valid CAS Registry Number.

999-69-9Upstream product

999-69-9Downstream Products

4652-27-1 4-methoxy-3-buten-2-one

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