Methyl green is a synthetic dye that is widely used as a stain in various applications, including the staining of DNA in agarose gels and the visualization of chromosomes in microscopy. It is a cationic dye, which means it has a positive charge and can bind to the negatively charged phosphate groups in DNA, allowing for the clear visualization of the DNA bands. Methyl green is also used in histology to stain cell nuclei, making it easier to study cell structure and organization. The dye is known for its high specificity and sensitivity, making it a valuable tool in molecular biology and cytology research.

7438-47-3

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Basic information
1. Product Name: Methyl green
2. Synonyms: 4-[[4-(Dimethylamino)phenyl][4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene]methyl]-N,N,N-trimethylbenzenaminium;Dimethyl[4-[[4-(dimethylamino)phenyl][4-(trimethylaminio)phenyl]methylene]-2,5-cyclohexadiene-1-ylidene]aminium
3. CAS NO:7438-47-3
4. Molecular Formula: C26H33N3+2
5. Molecular Weight: 387.56032
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 7438-47-3.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: Methyl green(CAS DataBase Reference)
10. NIST Chemistry Reference: Methyl green(7438-47-3)
11. EPA Substance Registry System: Methyl green(7438-47-3)
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: 7438-47-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7438-47-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,4,3 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 7438-47:
(6*7)+(5*4)+(4*3)+(3*8)+(2*4)+(1*7)=113
113 % 10 = 3
So 7438-47-3 is a valid CAS Registry Number.

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