2-[2-Methyl-prop-(E)-ylidene]-succinic acid, also known as 2-[2-methylbut-2-en-1-ylidene]succinic acid, is a chemical compound with the molecular formula C8H10O4. It is a derivative of succinic acid, featuring a 2-methylbut-2-en-1-ylidene group attached to the 2-position of the succinic acid backbone. 2-[2-Methyl-prop-(E)-ylidene]-succinic acid is characterized by its conjugated double bond system, which contributes to its chemical reactivity and potential applications in various fields, such as pharmaceuticals, agrochemicals, and materials science. The E-configuration of the double bond indicates the geometric arrangement of the substituents around the double bond, which can influence the compound's physical and chemical properties.

6543-53-9

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Basic information
1. Product Name: 2-[2-Methyl-prop-(E)-ylidene]-succinic acid
2. Synonyms:
3. CAS NO:6543-53-9
4. Molecular Formula:
5. Molecular Weight: 172.181
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: 2-[2-Methyl-prop-(E)-ylidene]-succinic acid(CAS DataBase Reference)
10. NIST Chemistry Reference: 2-[2-Methyl-prop-(E)-ylidene]-succinic acid(6543-53-9)
11. EPA Substance Registry System: 2-[2-Methyl-prop-(E)-ylidene]-succinic acid(6543-53-9)
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: 6543-53-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6543-53-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,4 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6543-53:
(6*6)+(5*5)+(4*4)+(3*3)+(2*5)+(1*3)=99
99 % 10 = 9
So 6543-53-9 is a valid CAS Registry Number.

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