7,7'-Diamino-5,5'-dichloro-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione is a complex organic compound with the molecular formula C14H8Cl2N2O2S2. It is characterized by the presence of two chlorine atoms, two amino groups, and a unique bicyclic structure consisting of two benzene rings fused to a thiophene ring. 7,7'-Diamino-5,5'-dichloro-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione is known for its potential applications in the synthesis of various dyes and pigments, particularly those with high color strength and stability. Its chemical structure endows it with specific光电特性, making it a subject of interest in materials science and chemical research. The compound's name reflects its structural features, indicating the positions of the amino and dichloro groups on the molecule.

6371-13-7

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Basic information
1. Product Name: 7,7'-Diamino-5,5'-dichloro-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione
2. Synonyms: 7,7'-Diamino-5,5'-dichloro-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione;7-Amino-2-(7-amino-5-chloro-3-oxobenzo[b]thiophen-2(3H)-ylidene)-5-chlorobenzo[b]thiophen-3(2H)-one;C.I.73320;Helindon Grey BR
3. CAS NO:6371-13-7
4. Molecular Formula: C16H8Cl2N2O2S2
5. Molecular Weight: 395.28
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 6371-13-7.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 7,7'-Diamino-5,5'-dichloro-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione(CAS DataBase Reference)
10. NIST Chemistry Reference: 7,7'-Diamino-5,5'-dichloro-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione(6371-13-7)
11. EPA Substance Registry System: 7,7'-Diamino-5,5'-dichloro-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione(6371-13-7)
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: 6371-13-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6371-13-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,3,7 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6371-13:
(6*6)+(5*3)+(4*7)+(3*1)+(2*1)+(1*3)=87
87 % 10 = 7
So 6371-13-7 is a valid CAS Registry Number.

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