Pyrazoline

Pyrazolines

1-Pyrazoline 2-Pyrazoline
3-Pyrazoline
Identifiers
CAS Number	36118-45-3 (unspecified isomer) Y (1-pyrazoline): 2721-43-9 Y (2-pyrazoline): 109-98-8 Y (3-pyrazoline): 6569-23-9 Y
3D model (JSmol)	(1-pyrazoline): Interactive image (2-pyrazoline): Interactive image (3-pyrazoline): Interactive image
ChemSpider	(1-pyrazoline): 457111 (2-pyrazoline): 60321 (3-pyrazoline): 3368027
ECHA InfoCard
E number
PubChem CID	(1-pyrazoline): 524190 (2-pyrazoline): 66962 (3-pyrazoline): 4156003
CompTox Dashboard (EPA)	{{#property:P3117}}
InChI (1-pyrazoline): InChI=1S/C3H6N2/c1-2-4-5-3-1/h1-3H2 Key: DNXIASIHZYFFRO-UHFFFAOYSA-N (2-pyrazoline): InChI=1S/C3H6N2/c1-2-4-5-3-1/h2,5H,1,3H2 Key: MCGBIXXDQFWVDW-UHFFFAOYSA-N (3-pyrazoline): InChI=1S/C3H6N2/c1-2-4-5-3-1/h1-2,4-5H,3H2 Key: KEQTWHPMSVAFDA-UHFFFAOYSA-N
SMILES (1-pyrazoline): C1CCN=N1 (2-pyrazoline): C1=NNCC1 (3-pyrazoline): C1=CCNN1
Properties
Chemical formula	C3H6N2
Molar mass	70.095 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Pyrazoline is a heterocyclic chemical compound with the molecular formula C₃H₆N₂. Pyrazoline and its derivatives are intermediates in the synthesis of more complex chemical compounds.