The 3-Guanidino-L-alanine hydrochloride, with the CAS registry number 1482-99-1 and EINECS registry number 216-044-0, has the IUPAC name of (2S)-2-amino-3-(diaminomethylideneamino)propanoic acid hydrochloride. The molecular formula of the chemical is C₄H₁₁ClN₄O₂. And it should be stored at 2-8°C. What's more, it is usually used in organic synthesis.

The physical properties of 3-Guanidino-L-alanine hydrochloride are as followings: (1)ACD/LogP: -1.26; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): -4.56; (4)ACD/LogD (pH 7.4): -3.82; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 6; (10)#H bond donors: 7; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 48.38 Å²; (13)Flash Point: 178.1 °C; (14)Enthalpy of Vaporization: 67.84 kJ/mol; (15)Boiling Point: 370.8 °C at 760 mmHg; (16)Vapour Pressure: 1.62E-06 mmHg at 25°C.

You should be cautious while dealing with this chemical. It irritates to eyes, respiratory system and skin. Therefore, you had better take the following instructions: Wear suitable protective clothing, and if in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: Cl.O=C(O)[C@@H](N)C/N=C(/N)N
(2)InChI: InChI=1/C4H10N4O2.ClH/c5-2(3(9)10)1-8-4(6)7;/h2H,1,5H2,(H,9,10)(H4,6,7,8);1H/t2-;/m0./s1
(3)InChIKey: ZOXYHKHLLCDEAX-DKWTVANSBQ