The Lincomycin A, with the CAS registry number 154-21-2, is also known as Methyl 6,8-dideoxy-6-[[[(2S,4R)-1-methyl-4-propyl-2-pyrrolidinyl]carbonyl]amino]-1-thio-D-erythro-alpha-D-gluco-octopyranoside. It belongs to the product categories of 13C & 2H Sugars; Carbohydrates & Derivatives; Intermediates & Fine Chemicals; Pharmaceuticals. Its EINECS number is 205-824-6. This chemical's molecular formula is C₁₈H₃₄N₂O₆S and molecular weight is 406.54. What's more, its systematic name is Methyl (5R)-5-[(1R,2R)-2-hydroxy-1-{[(4R)-1-methyl-4-propyl-L-prolyl]amino}propyl]-1-thio-β-L-arabinopyranoside. Its classification codes are: (1)Anti-Bacterial Agents; (2)Anti-Infective Agents; (3)Antibacterial; (4)Drug / Therapeutic Agent; (5)Enzyme Inhibitors; (6)Mutation data; (7)Natural Product; (8)Protein Synthesis Inhibitors. This chemical is an antibiotic produced by Streptomyces lincolnensis var. lincolnensis. It has been used in the treatment of staphylococcal, streptococcal, and Bacteroides fragilis infections. 

Physical properties of Lincomycin A are: (1)ACD/LogP: 0.91±0.66; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): -1.80; (4)ACD/LogD (pH 7.4): -0.17; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 1.00; (8)ACD/KOC (pH 7.4): 6.26; (9)#H bond acceptors: 8; (10)#H bond donors: 5; (11)#Freely Rotating Bonds: 11; (12)Polar Surface Area: 147.79 Å²; (13)Index of Refraction: 1.583; (14)Molar Refractivity: 104.7±0.4 cm³; (15)Molar Volume: 313.3±5.0 cm³; (16)Polarizability: 41.5±0.5×10^-24cm³; (17)Surface Tension: 60.7±5.0 dyne/cm; (18)Density: 1.3±0.1 g/cm³; (19)Flash Point: 345.0±31.5 °C; (20)Enthalpy of Vaporization: 109.2±6.0 kJ/mol; (21)Boiling Point: 646.8±55.0 °C at 760 mmHg; (22)Vapour Pressure: 0.0±4.4 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: CCC[C@@H]1C[C@H](N(C1)C)C(=O)N[C@@H]([C@@H]2[C@@H]([C@@H]([C@H]([C@H](O2)SC)O)O)O)[C@@H](C)O
(2)Std. InChI: InChI=1S/C18H34N2O6S/c1-5-6-10-7-11(20(3)8-10)17(25)19-12(9(2)21)16-14(23)13(22)15(24)18(26-16)27-4/h9-16,18,21-24H,5-8H2,1-4H3,(H,19,25)/t9-,10-,11+,12-,13+,14-,15-,16-,18-/m1/s1
(3)Std. InChIKey: OJMMVQQUTAEWLP-KIDUDLJLSA-N

The toxicity data is as follows: