4,4'-bis-(3-amino-benzoylamino)-stilbene-2,2'-disulfonic acid is a complex organic compound with the molecular formula C26H24N4O8S2. It is a derivative of stilbene, a type of organic molecule that contains a vinyl group (C=C) bonded to two benzene rings. The compound is characterized by the presence of two disulfonic acid groups (-SO3H) at the 2,2' positions and two 3-amino-benzoylamino groups attached to the 4,4' positions. This molecule is known for its potential applications in the field of dyes and pigments, particularly as a colorant for various materials. Its unique structure allows it to form strong bonds with substrates, making it a valuable component in the production of durable and vibrant colors.

6421-83-6

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Basic information
1. Product Name: 4,4'-bis-(3-amino-benzoylamino)-stilbene-2,2'-disulfonic acid
2. Synonyms:
3. CAS NO:6421-83-6
4. Molecular Formula:
5. Molecular Weight: 608.653
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: 4,4'-bis-(3-amino-benzoylamino)-stilbene-2,2'-disulfonic acid(CAS DataBase Reference)
10. NIST Chemistry Reference: 4,4'-bis-(3-amino-benzoylamino)-stilbene-2,2'-disulfonic acid(6421-83-6)
11. EPA Substance Registry System: 4,4'-bis-(3-amino-benzoylamino)-stilbene-2,2'-disulfonic acid(6421-83-6)
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: 6421-83-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6421-83-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,2 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6421-83:
(6*6)+(5*4)+(4*2)+(3*1)+(2*8)+(1*3)=86
86 % 10 = 6
So 6421-83-6 is a valid CAS Registry Number.

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