Empirical Formula: C₅H₅ClN₂
Molecular Weight: 128.5596
Nominal Mass: 128 Da
Average Mass: 128.5596 Da
Monoisotopic Mass: 128.014126 Da 
Index of Refraction: 1.53 Molar
Refractivity: 32.155 cm³
Molar Volume: 104.107 cm³
Surface Tension: 44.63 dyne/cm
Density: 1.235 g/cm³
Flash Point: 104.942 °C
Enthalpy of Vaporization: 43.402 kJ/mol
Boiling Point: 216.105 °C at 760 mmHg
Vapour Pressure: 0.209 mmHg at 25 °C
Melting point: 35-36 °C
Appearance: Pale yellow solid
Structure of 2-Chloro-4-methylpyrimidine (CAS NO.13036-57-2):
                       
IUPAC Name: 2-Chloro-4-methylpyrimidine
Canonical SMILES: CC1=NC(=NC=C1)Cl
InChI: InChI=1S/C5H5ClN2/c1-4-2-3-7-5(6)8-4/h2-3H,1H3
InChIKey: BHAKRVSCGILCEW-UHFFFAOYSA-N
Product Category of 2-Chloro-4-methylpyrimidine (CAS NO.13036-57-2): Nucleotides and Nucleosides;Bases & Related Reagents;Nucleotides;Halides;Pyrazines, Pyrimidines & Pyridazines;Boronic Acid;Chlorinated heterocyclic series

 2-Chloro-4-methylpyrimidine (CAS NO.13036-57-2) is used as pharmaceutical intermediate.

 2-Chloro-4-methylpyrimidine (CAS NO.13036-57-2) is irritating to eyes, respiratory system and skin. 2-chloro-4-methylpyrimidine(13036-57-2) may be harmful by inhalation, ingestion, or skin absorption. it emits toxic fumes in combustion .

S22: Do not breathe dust.
S36/37/39: Wear suitable protective clothing, gloves and eye / face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately.

 2-Chloro-4-methylpyrimidine , its cas register number is 13036-57-2. It also can be called Pyrimidine, 2-chloro-4-methyl- .