2,3-Pentadienedioic acid, (R)-, also known as (R)-2,3-Pentadienedioic acid or (R)-2,3-Pentadienedioate, is a chiral organic compound with the molecular formula C5H4O4. It is a dicarboxylic acid derived from 2,3-pentadiene, featuring a conjugated diene system and two carboxylic acid groups. 2,3-Pentadienedioic acid, (R)- is an important building block in the synthesis of various natural products, pharmaceuticals, and other organic compounds due to its unique structure and reactivity. The (R)-enantiomer is one of the two possible enantiomers of 2,3-pentadienedioic acid, differing in the spatial arrangement of its atoms, which can significantly affect its chemical properties and potential applications.

4457-09-4

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Basic information
1. Product Name: 2,3-Pentadienedioic acid, (R)-
2. Synonyms:
3. CAS NO:4457-09-4
4. Molecular Formula: C5H4O4
5. Molecular Weight:
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: 2,3-Pentadienedioic acid, (R)-(CAS DataBase Reference)
10. NIST Chemistry Reference: 2,3-Pentadienedioic acid, (R)-(4457-09-4)
11. EPA Substance Registry System: 2,3-Pentadienedioic acid, (R)-(4457-09-4)
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: 4457-09-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4457-09-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,5 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4457-09:
(6*4)+(5*4)+(4*5)+(3*7)+(2*0)+(1*9)=94
94 % 10 = 4
So 4457-09-4 is a valid CAS Registry Number.

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