Epoxy curing agent Knowledge Tetracycline Tetracycline

Tetracycline Tetracycline

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Tetracycline structural formula

Structural formula

Business number 01BH
Molecular formula C22H24N2O8
Molecular weight 444.43
label

tetracycline hydrate,

4-(dimethylamino)-1,4,4A,5,5A,6,11,12A-octahydro-3,6,10,12,12A-pentahydroxy-6-methyl-1,11- Dicarbonyl-2-naphthylcarboxamide,

tetracycline base,

4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide,

Fungicide

Numbering system

CAS number:60-54-8

MDL number:MFCD00151232

EINECS number:200-481-9

RTECS number:QI8750000

BRN number:2230417

PubChem number:24900120

Physical property data

1. Character: Light yellow crystal. Odorless. The color gradually becomes darker when exposed to light. Under vacuum, 60Dry8Hours become nothing Water things.


2. Density ( g/mL,25/4): Undetermined


3. Relative vapor density ( g/mL,Air =1): Not OK


4. Melting point (ºC): 170175Decomposition


5. Boiling point (ºC,Normal pressure): Not OK


6. Boiling point (ºC,5.2kPa): Not OK


7. Refractive index: not OK


8. Flashpoint (ºC): Undetermined


9. Specific optical rotation ( º):[α]D25 257.9°0.1mol/Lhydrochloric acid)


10. Spontaneous ignition point or ignition Combustion temperature (ºC) : Undetermined


8. Surface charge: 0


9. Complexity: 971


10. Number of isotope atoms: 0


11. Determine the number of atomic stereocenters: 5


12. The number of uncertain atomic stereocenters: 0


13. Determine the number of stereocenters of chemical bonds: 1


14. Uncertain number of chemical bond stereocenters: 0


15. Number of covalent bond units: 1

Properties and stability

By Streptomyces aureus Strepto-myces aureofaciensExtracted broad-spectrum antibiotics. Melting point170175℃. Optical rotation-239 (Methanol). Slightly soluble in Water, slightly soluble in ethanol, insoluble in chloroform and acetate ether. Stable in the air, color changes under strong light Deep, rapid failure in alkaline solutions.

Storage method


This product should be sealed in0 Store in a dry place below ℃ and away from light.

Synthesis method

None yet

Purpose

On Gram Positive and negative bacteria, protozoa, mycoplasma, and spirochetes all have antibacterial effects. Oral absorption is incomplete,24hPlasma concentration reaches peak value and is widely distributed. Mainly excreted through urine and feces. Currently it is rarely used clinically.

170175℃. Optical rotation-239 (Methanol). Slightly soluble in Water, slightly soluble in ethanol, insoluble in chloroform and acetate ether. Stable in the air, color changes under strong light Deep, rapid failure in alkaline solutions.

Storage method


This product should be sealed in0 Store in a dry place below ℃ and away from light.

Synthesis method

None yet

Purpose

On Gram Positive and negative bacteria, protozoa, mycoplasma, and spirochetes all have antibacterial effects. Oral absorption is incomplete,24hPlasma concentration reaches peak value and is widely distributed. Mainly excreted through urine and feces. Currently it is rarely used clinically.

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