The D-Pantothenic acid, with the CAS registry number 79-83-4, is also known as β-Alanine, N-[(2R)-2,4-dihydroxy-3,3-dimethyl-1-oxobutyl]-. It belongs to the product categories of Feed Additives; Aliphatics; Chiral Reagents; Intermediates & Fine Chemicals; Isotope Labelled Compounds; Pharmaceuticals. Its EINECS number is 205-278-9. This chemical's molecular formula is C₉H₁₇NO₅ and molecular weight is 186.29. What's more, its systematic name is N-[(2R)-2,4-Dihydroxy-3,3-dimethylbutanoyl]-β-alanine. Its classification codes are: (1)Growth Substances; (2)Micronutrients; (3)Vitamin B Complex; (4)Vitamins. This chemical is a water-soluble vitamin. It is an essential nutrient for many animals. It is used in the synthesis of coenzyme A (CoA). 

Physical properties of D-Pantothenic acid are: (1)ACD/LogP: -0.856; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -2.23; (4)ACD/LogD (pH 7.4): -3.99; (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): 1.00; (9)#H bond acceptors: 6; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 8; (12)Polar Surface Area: 106.86 Å²; (13)Index of Refraction: 1.512; (14)Molar Refractivity: 51.928 cm³; (15)Molar Volume: 173.094 cm³; (16)Polarizability: 20.586×10^-24cm³; (17)Surface Tension: 54.81 dyne/cm; (18)Density: 1.267 g/cm³; (19)Flash Point: 287.34 °C; (20)Enthalpy of Vaporization: 95.614 kJ/mol; (21)Boiling Point: 551.505 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.

Uses of D-Pantothenic acid: it can be used to produce 3-(2,4-dihydroxy-3,3-dimethyl-butyrylamino)-thiopropionic acid S-ethyl ester at the temperature of 0 - 20 °C. It will need reagents diphenylphosphoryl azide, Et₃N and solvent dimethylformamide with the reaction time of 140 min. The yield is about 46%.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(NCCC(=O)O)[C@H](O)C(C)(C)CO
(2)Std. InChI: InChI=1S/C9H17NO5/c1-9(2,5-11)7(14)8(15)10-4-3-6(12)13/h7,11,14H,3-5H2,1-2H3,(H,10,15)(H,12,13)/t7-/m0/s1
(3)Std. InChIKey: GHOKWGTUZJEAQD-ZETCQYMHSA-N

The toxicity data is as follows: