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1843-20-5

4-(4-methyl-thiazol-2-ylamino)-phenol, also known as MTT, is a yellow tetrazolium salt commonly used as a colorimetric assay for measuring cell viability, proliferation, and activity in various biological and medical research applications. It is reduced by mitochondrial dehydrogenases in living cells to form a purple formazan product, which can be quantified by measuring the absorbance at 570 nm. MTT is particularly useful for assessing the cytotoxic effects of drugs, toxins, or other substances on cell cultures, as well as for monitoring the growth and health of cells over time. However, it is important to note that MTT is not suitable for use with cells that have compromised mitochondrial function or for detecting cell death, as it relies on the activity of mitochondrial enzymes for its reduction.

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  • 1843-20-5 Structure

  • Basic information

    1. Product Name: 4-(4-methyl-thiazol-2-ylamino)-phenol
    2. Synonyms:
    3. CAS NO:1843-20-5
    4. Molecular Formula:
    5. Molecular Weight: 206.268
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 1843-20-5.mol

  • 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-methyl-thiazol-2-ylamino)-phenol(CAS DataBase Reference)
    10. NIST Chemistry Reference: 4-(4-methyl-thiazol-2-ylamino)-phenol(1843-20-5)
    11. EPA Substance Registry System: 4-(4-methyl-thiazol-2-ylamino)-phenol(1843-20-5)

  • 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: 1843-20-5(Hazardous Substances Data)

1843-20-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1843-20-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,4 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1843-20:
(6*1)+(5*8)+(4*4)+(3*3)+(2*2)+(1*0)=75
75 % 10 = 5
So 1843-20-5 is a valid CAS Registry Number.

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