Cresyl Fast Violet, also known as Cresyl Violet or 4-(Dimethylamino)benzaldehyde, is a synthetic chemical compound with the molecular formula C15H17N3. It is a purple-colored dye that is widely used in various applications, including as a histochemical stain for the detection of neurofibrillary tangles in brain tissue, as well as in the staining of bacteria and other microorganisms. The compound is known for its high solubility in water and its ability to form complexes with metal ions, which enhances its staining properties. It is also used in the textile industry for dyeing fabrics and in the production of pigments for paints and inks. Due to its potential health risks, including being classified as a possible carcinogen, it is important to handle Cresyl Fast Violet with care and in accordance with safety guidelines.

6625-37-2

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Basic information
1. Product Name: cresyl fast violet
2. Synonyms: CRESYL FAST VIOLET
3. CAS NO:6625-37-2
4. Molecular Formula: C18H16ClN3O
5. Molecular Weight: 325.79214
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 6625-37-2.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 522.4°C at 760 mmHg
3. Flash Point: 269.8°C
4. Appearance: /
5. Density: 1.29g/cm³
6. Vapor Pressure: 5.18E-11mmHg at 25°C
7. Refractive Index: 1.68
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: cresyl fast violet(CAS DataBase Reference)
11. NIST Chemistry Reference: cresyl fast violet(6625-37-2)
12. EPA Substance Registry System: cresyl fast violet(6625-37-2)
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: 6625-37-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6625-37-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,2 and 5 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6625-37:
(6*6)+(5*6)+(4*2)+(3*5)+(2*3)+(1*7)=102
102 % 10 = 2
So 6625-37-2 is a valid CAS Registry Number.

InChI:InChI=1/C18H17N3O/c1-21(2)11-7-8-15-16(9-11)22-17-10-14(19)12-5-3-4-6-13(12)18(17)20-15/h3-11H,19H2,1-2H3

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