The cis-4-Hydroxy-D-proline hydrochloride is an organic compound with the formula C₅H₉NO₃^.HCl. The IUPAC name of this chemical is (2R)-4-hydroxypyrrolidine-2-carboxylic acid hydrochloride. With the CAS registry number 77449-94-6, it is also named as D-proline, 4-hydroxy-, (4R)-, hydrochloride (1:1).

Physical properties about cis-4-Hydroxy-D-proline hydrochloride are: (1)ACD/BCF (pH 5.5): 1 ACD/BCF (pH 7.4): 1; (2)ACD/KOC (pH 5.5): 1 ACD/KOC (pH 7.4): 1; (3)#H bond acceptors: 4; (4)#H bond donors: 3; (5)#Freely Rotating Bonds: 2; (6)Polar Surface Area: 69.56 Å²; (7)Flash Point: 176.7 °C; (8)Enthalpy of Vaporization: 71.2 kJ/mol; (9)Boiling Point: 368.6 °C at 760 mmHg; (10)Vapour Pressure: 6.22E-07 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: OC(=O)[C@H]1C[C@@H](O)CN1.Cl
(2)InChI: InChI=1/C5H9NO3.ClH/c7-3-1-4(5(8)9)6-2-3;/h3-4,6-7H,1-2H2,(H,8,9);1H/t3-,4-;/m1./s1
(3)InChIKey: YEJFFQAGTXBSTI-VKKIDBQXBV
(4)Std. InChI: InChI=1S/C5H9NO3.ClH/c7-3-1-4(5(8)9)6-2-3;/h3-4,6-7H,1-2H2,(H,8,9);1H/t3-,4-;/m1./s1
(5)Std. InChIKey: YEJFFQAGTXBSTI-VKKIDBQXSA-N