Pentanoyl chloride, 2-ethyl-, also known as 2-ethylpentanoyl chloride or 2-ethylvaleryl chloride, is an organic compound with the chemical formula C7H13ClO. It is a colorless liquid that is derived from the reaction of 2-ethylpentanoic acid with thionyl chloride or phosphorus pentachloride. Pentanoyl chloride, 2-ethyl- is an acylating agent and is used in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. It is characterized by its pungent odor and is sensitive to moisture, requiring careful handling and storage. Due to its reactivity, it is typically used in controlled environments and is known for its ability to form esters and amides, making it a valuable intermediate in organic synthesis.

687-26-3

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Basic information
1. Product Name: Pentanoyl chloride, 2-ethyl-
2. Synonyms:
3. CAS NO:687-26-3
4. Molecular Formula: C7H13ClO
5. Molecular Weight: 148.633
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: Pentanoyl chloride, 2-ethyl-(CAS DataBase Reference)
10. NIST Chemistry Reference: Pentanoyl chloride, 2-ethyl-(687-26-3)
11. EPA Substance Registry System: Pentanoyl chloride, 2-ethyl-(687-26-3)
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: 687-26-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 687-26-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,8 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 687-26:
(5*6)+(4*8)+(3*7)+(2*2)+(1*6)=93
93 % 10 = 3
So 687-26-3 is a valid CAS Registry Number.

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