Cytarabine structural formula

Cytarabine structural formula

Structural formula

Business number 03XC
Molecular formula C9H13N3O5
Molecular weight 243.22

sponge cytosine,


Cytosine arabinoside,







Cytosine β-D-Arabinofuranoside

Numbering system

CAS number:147-94-4

MDL number:MFCD00066487

EINECS number:205-705-9

RTECS number:HA5425000

BRN number:None

PubChem number:24892435

Physical property data

1. Properties: white or off-white crystalline powder

2. Melting point (℃): 214

3. Density: 1.89g/cm3

4. Solubility: soluble in water.

Toxicological data

1. Reproductive toxicity: rat abdominal TDLo: 100 mg/kg; rat abdominal TDLo: 20 mg/kg

Ecological data

Other harmful effects: This substance may be harmful to the environment, and special attention should be paid to water bodies.

Molecular structure data

1. Molar refractive index: 52.64

2. Molar volume (cm3/mol): 128.4

3. Isotonic specific volume (90.2K ): 395.1

4. Surface tension (dyne/cm): 89.5

5. Polarizability (10-24cm3): 20.86

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 4

3. Number of hydrogen bond acceptors: 5

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: 3

6. Topological molecule polar surface area 129

7. Number of heavy atoms: 17

8. Surface charge: 0

9. Complexity: 383

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 4

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

Stable under normal temperature and pressure.

Storage method

Save at 2-8ºC.

Synthesis method

After hydrolysis of 5-cytosine nucleotide, cytosine nucleoside is obtained, which is then chlorinated, epoxidized and hydrolyzed in ammonia water, and finally formed into a salt.


Anti-neoplastic drugs, used for acute myelitisCellular leukemia and acute lymphoblastic leukemia, etc. Has antiviral effects.

BDMAEE:Bis (2-Dimethylaminoethyl) Ether

CAS NO:3033-62-3

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