EINECS of Prostaglandin D2 (CAS NO.41598-07-6): 234-237-8
Empirical Formula: C₂₀H₃₂O₅
Molecular Weight: 352.4651 g/mol
Index of Refraction: 1.56
Density: 1.148 g/cm³
Flash Point: 300.3 °C
Enthalpy of Vaporization: 95.35 kJ/mol
Boiling Point: 549.6 °C at 760 mmHg
Vapour Pressure: 2.27E-14 mmHg at 25 °C 
Structure of Prostaglandin D2 (CAS NO.41598-07-6):
                
IUPAC Name: (Z)-7-[(1R,2R,5S)-5-Hydroxy-2-[(E,3S)-3-hydroxyoct-1-enyl]-3-oxocyclopentyl]hept-5-enoic acid
Canonical SMILES: CCCCCC(C=CC1C(C(CC1=O)O)CC=CCCCC(=O)O)O
Isomeric SMILES: CCCCC[C@@H](/C=C/[C@@H]1[C@H]([C@H](CC1=O)O)C/C=C\CCCC(=O)O)O
InChI: InChI=1S/C20H32O5/c1-2-3-6-9-15(21)12-13-17-16(18(22)14-19(17)23)10-7-4-5-8-11-20(24)25/h4,7,12-13,15-18,21-22H,2-3,5-6,8-11,14H2,1H3,(H,24,25)/b7-4-,13-12+/t15-,16+,17+,18-/m0/s1
InChIKey: BHMBVRSPMRCCGG-OUTUXVNYSA-N

Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes of Prostaglandin D2 (CAS NO.41598-07-6): T
Risk Statements: 60-22 
R22:Harmful if swallowed. 
R60:May impair fertility.
Safety Statements: 53-22-26-36 
S22:Do not breathe dust. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing. 
S53:Avoid exposure - obtain special instructions before use.

 Prostaglandin D2 , its cas register number is 41598-07-6. It also can be called 11-Dehydroprostaglandin F2-alpha ; and PGD2 .