The 1-Formylhomopiperazine ,its cas register number is 29053-62-1 .It also can be called as 1-Formylhexahydro-1,4-diazepine and its IUPAC name is 1,4-Diazepane-1-carbaldehyde .Raw materials about this chemicals is Homopiperazine-->Methyl formate ,and also Preparation Products is Bunazosin hydrochloride . Following are the chemical properties about 17b-Methyl-5a-androstane-3a,17b-diol : (1)#H bond acceptors: 3 ; (2)#H bond donors: 1 ; (3)#Freely Rotating Bonds: 0 ; (4)Polar Surface Area: 23.55 Å ; (5)Index of Refraction: 1.533 ; (6)Molar Refractivity: 36.58 cm³ ; (7)Molar Volume: 117.8 cm³ ; (8)Surface Tension: 44.3 dyne/cm ; (9)Enthalpy of Vaporization: 50.64 kJ/mol ; (10)Vapour Pressure: 0.00776 mmHg at 25°C ; (11)refractive index: 1.5130 .

The 1-Formylhomopiperazine is a dangerous chemicals because it can causes burns, so if youwant to use it, you need to wear suitable protective clothing, gloves and eye/face protection, and in case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Expect these safty informations, there are some others like RIDADR is 2735 ,HazardClass about it is 8 and PackingGroup is II .

Following are the first aid measures: (1)Ingestion: Seek medical assistance. (2)Inhalation: Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. (3)Skin: Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.  (4)Eyes: Immediately flush with running water for at least 20 minutes.

This chemicals can be described computed from structure:
(1)Canonical SMILES: C1CNCCN(C1)C=O
(2)InChI: InChI=1S/C6H12N2O/c9-6-8-4-1-2-7-3-5-8/h6-7H,1-5H2
(3)InChIKey: RNNVQNMOFQXXTH-UHFFFAOYSA-N