2-oxo-1,3-dithiol-4,5-dicarboxylic acid diamide, also known as thiazolidine-4,5-dicarboxylic acid (TDCA), is a chemical compound with the molecular formula C5H6N2O4S2. It is a cyclic diamide derivative of 2-oxo-1,3-dithiol-4,5-dicarboxylic acid, featuring a thiazolidine ring structure. TDCA is an important intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. It exhibits unique chemical properties, such as reactivity towards nucleophiles and electrophiles, making it a versatile building block in organic synthesis. TDCA is also known for its potential applications in the development of new materials, such as polymers and dyes, due to its sulfur-containing functional groups.

938-77-2

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Basic information
1. Product Name: 2-oxo-1,3-dithiol-4,5-dicarboxylic acid diamide
2. Synonyms:
3. CAS NO:938-77-2
4. Molecular Formula:
5. Molecular Weight: 204.23
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-oxo-1,3-dithiol-4,5-dicarboxylic acid diamide(CAS DataBase Reference)
10. NIST Chemistry Reference: 2-oxo-1,3-dithiol-4,5-dicarboxylic acid diamide(938-77-2)
11. EPA Substance Registry System: 2-oxo-1,3-dithiol-4,5-dicarboxylic acid diamide(938-77-2)
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: 938-77-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 938-77-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,3 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 938-77:
(5*9)+(4*3)+(3*8)+(2*7)+(1*7)=102
102 % 10 = 2
So 938-77-2 is a valid CAS Registry Number.

938-77-2Upstream product

938-77-2Downstream Products

853077-50-6 (PPh₄)[Ni(maleamide dithiolate)2]

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