(1R*,2S*,3S*,4R*)-3,4-dichlorocyclobutane-1,2-dicarboxylic anhydride is a complex organic compound with the molecular formula C6H4Cl2O3. It is a derivative of cyclobutane, featuring two chlorine atoms at the 3rd and 4th positions, and two carboxylic acid groups at the 1st and 2nd positions. The anhydride form indicates the presence of an ester linkage between the two carboxylic acid groups, which is formed by the loss of a water molecule. This chiral molecule has specific stereochemistry, with the R* and S* configurations at the 1st, 2nd, 3rd, and 4th carbon atoms, respectively. It is an important intermediate in the synthesis of various pharmaceuticals and agrochemicals due to its unique structure and reactivity.

4924-43-0

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Basic information
1. Product Name: (1R*,2S*,3S*,4R*)-3,4-dichlorocyclobutane-1,2-dicarboxylic anhydride
2. Synonyms:
3. CAS NO:4924-43-0
4. Molecular Formula:
5. Molecular Weight: 195.002
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: (1R*,2S*,3S*,4R*)-3,4-dichlorocyclobutane-1,2-dicarboxylic anhydride(CAS DataBase Reference)
10. NIST Chemistry Reference: (1R*,2S*,3S*,4R*)-3,4-dichlorocyclobutane-1,2-dicarboxylic anhydride(4924-43-0)
11. EPA Substance Registry System: (1R*,2S*,3S*,4R*)-3,4-dichlorocyclobutane-1,2-dicarboxylic anhydride(4924-43-0)
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: 4924-43-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4924-43-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,2 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4924-43:
(6*4)+(5*9)+(4*2)+(3*4)+(2*4)+(1*3)=100
100 % 10 = 0
So 4924-43-0 is a valid CAS Registry Number.

4924-43-0Upstream product

4924-43-0Downstream Products

4924-68-9 3,4-Dichlor-cyclobutan-dicarbonsaeure-(1,2)

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