The 6H-Pyrazolo[3,4-d]pyrimidine-6-thione,4-amino-1,7-dihydro-, with the CAS registry number 23771-52-0, is also known as 2H-Pyrazolo[3,4-d]pyrimidin-4-amine. It belongs to the product categories of Pyridines, Pyrimidines, Purines and Pteredines; Aromatics Compounds; Aromatics; Bases & Related Reagents; Nucleotides; Sulfur & Selenium Compounds. Its EINECS registry number is 245-872-5. This chemical's molecular formula is C₅H₅N₅S and molecular weight is 167.1917. Its IUPAC name is called 4-amino-1,2-dihydropyrazolo[3,4-d]pyrimidine-6-thione. This chemical is light yellow powder. Besides, it has a close structural resemblance to the substrates for the enzyme xanthine oxidase, hypoxanthine (6-hydroxypurine) and xanthine (2,6-dihydroxypurine).

Physical properties of 6H-Pyrazolo[3,4-d]pyrimidine-6-thione,4-amino-1,7-dihydro-: (1)ACD/LogP: 0.20; (2)ACD/LogD (pH 5.5): 0.14; (3)ACD/LogD (pH 7.4): 0.2; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 26.636; (7)ACD/KOC (pH 7.4): 30.56; (8)#H bond acceptors: 5; (9)#H bond donors: 3; (10)Index of Refraction: 1.837; (11)Molar Refractivity: 37.039 cm³; (12)Molar Volume: 83.823 cm³; (13)Surface Tension: 122.712 dyne/cm; (14)Density: 1.612 g/cm³; (15)Flash Point: 244.382 °C; (16)Enthalpy of Vaporization: 68.665 kJ/mol; (17)Boiling Point: 431.088 °C at 760 mmHg; (18)Vapour Pressure: 0 mmHg at 25°C.

Uses of 6H-Pyrazolo[3,4-d]pyrimidine-6-thione,4-amino-1,7-dihydro-: it can be used to produce 6-(5-nitro-thiophen-2-ylsulfanyl)-1H-pyrazolo[3,4-d]pyrimidin-4-ylamine at Ambient temperature. This reaction will need reagent methanolic potassium hydroxyde and solvent H₂O with reaction time of 36 hours. The yield is about 85%.

When you are using this chemical, please be cautious about it as the following:
This chemical may cause inflammation to the skin or other mucous membranes. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: C1=C2C(=NC(=S)N=C2NN1)N
(2)InChI: InChI=1S/C5H5N5S/c6-3-2-1-7-10-4(2)9-5(11)8-3/h1H,(H4,6,7,8,9,10,11)
(3)InChIKey: YJMNLDSYAAJOPX-UHFFFAOYSA-N