• Pyrimido[5,4-d]pyrimidine-2,4,6,8(3H,7H)-tetrone,1,5-dihydro-, sodium salt (1:2)
• 36926-29-1
• C6H4 N4 O4 . 2 Na
• 253-274-0
• 438.22026
• .

• Phosphonic acid,[(propylimino)bis(methylene)]bis-, sodium salt (9CI)
• 94232-83-4
• C5H15 N O6 P2 . x Na
• 304-011-4
• 335.050542
• .

• Pentalene,1,2,3,3a,4,6a-hexahydro-, (3aR,6aR)-rel-
• 930-99-4
• C8H12
• 226-913-6
• 108.1809
• .

• Propanedinitrile,2-[(2-fluorophenyl)methylene]-
• 2698-43-3
• C10H5 F N2
• 0
• .

• p-Tolylguanidinium nitrate
• 79574-98-4
• C8H12N4O3
• 279-190-4
• 212.20588
• .

• Pt-Ir Alloy
• 37186-87-1
• IrPt
• 0
• .

• Pentanoic acid, 4-oxo-,phenylmethyl ester
• 6939-75-9
• C12H14 O3
• 230-075-7
• 206.24
• .

• Pregn-5-en-20-one,3,14-dihydroxy-, (3b,14b)-
• 17059-32-4
• C21H32 O3
• .

• Pyridine,2-(1,3-dioxolan-2-yl)-6-methyl-
• 92765-75-8
• C9H11 N O2
• 165.19
• .

• Phosphorothioic acid,O,O-diethyl ester, O-ester with 4'-hydroxyacetophenone O-(ethylcarbamoyl)oxime(8CI)
• 22942-50-3
• C15H23 N2 O5 P S
• 374.3923
• .

• Propanamide,2-[(4-ethoxyphenyl)amino]-N,N-dimethyl-
• 14982-35-5
• C13H20 N2 O2
• 236.3101
• .

• Phosphorothioic acid,O,S-diethyl O-[6-methyl-2-(1-methylethyl)-4-pyrimidinyl] ester
• 14620-44-1
• C12H21 N2 O3 P S
• .

• Pregna-1,4-diene-3,20-dione,9-fluoro-11,21-dihydroxy-16,17-[(1-phenylethylidene)bis(oxy)]-, (11b,16a)- (9CI)
• 3092-82-8
• C29H33 F O6
• 496.5671
• .

• Phosphoric acid,dibutyl 3-chloro-4-methyl-2-oxo-2H-1-benzopyran-7-yl ester
• 14663-66-2
• C18H24 Cl O6 P
• 0
• .

• Propanoic acid,3-(dodecylthio)-, 1,1'-[oxybis(2,1-ethanediyloxy-2,1-ethanediyl)] ester
• 64253-30-1
• C38H74 O7 S2
• 264-757-0
• 707.24
• .

• Phenyl, 4-nitro-
• 2395-99-5
• C6H4 N O2
• 0
• .

• Pyridine,3-[(2S)-1-propyl-2-pyrrolidinyl]-
• 106552-51-6
• C12H18 N2
• 190.2847
• .

• Piperazine,2,5-dimethyl-, (2R,5S)-rel-
• 2815-34-1
• C6H14 N2
• 203-409-4
• 114.19
• .

• Poly[imino(1,4-dioxo-1,4-butanediyl)imino-1,6-hexanediyl]
• 24936-71-8
• (C10H18 N2 O2)n
• .

• Phenol,2-chloro-6-(2,6-dichloro-4-methoxyphenoxy)-4-methoxy-
• 155519-93-0
• C14H11 Cl3 O4
• .

• Pyrophosphatase,nucleotide
• 9032-64-8
• 0
• .

• Phosphonamidouschloride, N,P-bis(1,1-dimethylethyl)- (9CI)
• 24411-61-8
• C8H19 Cl N P
• 195.6699
• .

• Propanoic acid,2-methyl-, 2-methoxy-4-(1-propenyl)phenyl ester, (E)- (9CI)
• 84604-51-3
• C14H18 O3
• 283-332-0
• 234.29092
• .

• Peroxide,bis(2-thienylcarbonyl) (9CI)
• 30930-49-5
• C10H6 O4 S2
• 250-395-0
• 254.28224
• .

• Pregnane-3,20-diol, (3a,5a,20S)-
• 566-58-5
• C21H36 O2
• 320.51
• .

• Philadelphuscoronarius, ext.
• 94279-93-3
• 304-839-6
• 0
• .

• Pregnane-11,20-dione,3,17,21-trihydroxy-, (3a,5a)-
• 547-77-3
• C21H32 O5
• 208-936-3
• 364.48
• .

• Pregn-4-en-3-one,18,20-epoxy-11,17,20,21-tetrahydroxy-, (11b)- (9CI)
• 81705-06-8
• C21H30 O6
• 0
• .

• Protein (Escherichiacoli clone pPF3/V1 gene fhuD precursor) (9CI)
• 112002-32-1
• 0
• .

• Pregn-4-en-20-yn-3-one,9,17-dihydroxy-, (17a)-
• 116256-39-4
• C21H28 O3
• 0
• .

• Phosphorodithioic acid,O,O-dicyclohexyl ester
• 6028-46-2
• C12H23 O2 P S2
• 227-899-4
• 295.421521
• .

• Pyrrolidinium,1-methyl-1-[(5a,17b)-3-oxoandrostan-17-yl]-, iodide(9CI)
• 10063-02-2
• C24H40 N O . I
• .

• Piperidine, 1-pentyl-
• 10324-58-0
• C10H21 N
• 286-144-7
• 0
• .

• Phosphoric acid,tris(4-chlorophenyl) ester
• 3871-31-6
• C18H12 Cl3 O4 P
• 223-390-6
• 429.618241
• .

• Pyridine,3-(methylthio)-
• 18794-33-7
• C6H7 N S
• 0
• .

• Phosphonothioic acid,methyl-, O,O-diethyl ester
• 6996-81-2
• C5H13 O2 P S
• 168.19
• .

• Phenol,2-cyclopropyl-6-(1-methylethyl)-
• 74926-96-8
• C12H16 O
• 0
• .

• Protein (rat clonerts5/1 27.4-kilodalton reduced) (9CI)
• 144591-62-8
• 0
• .

• Polcillin
• 11016-29-8
• .

• Phenol,3-[(1R,5S)-2-methyl-2-azabicyclo[3.3.1]non-5-yl]-
• 28623-84-9
• C15H21 N O
• 0
• .

• Propanoic acid,2,2-dimethyl-, 4-nitrophenyl ester
• 4195-17-9
• C₁₁H₁₃NO₄
• 224-076-1
• 223.22
• .

• Phenol, polymer with1-methyl-4-(1-methylethenyl)cyclohexene and2,6,6-trimethylbicyclo[3.1.1]hept-2-ene, magnesium oxide complex
• 150226-38-3
• .

• Phosphinothioicchloride, bis(hexahydro-1H-azepin-1-yl)- (7CI,8CI)
• 22965-06-6
• C12H24 Cl N2 P S
• 294.8241
• .

• Phenol,4,4'-[1-ethyl-2-[[(3-propyl-3H-diazirin-3-yl)thio]methyl]-1,2-ethanediyl]bis-,[R-(R*,S*)]- (9CI)
• 153145-01-8
• C21H26 N2 O2 S
• 0
• .

• Phosphinic acid,butylphenyl-, 2-propenyl ester (9CI)
• 63886-52-2
• C13H19 O2 P
• 238.2625
• .

• Protasul 100
• 105657-12-3
• C₈H₁₅NO₄
• 0
• .

• Propanoic acid,2-(4-acetylphenoxy)-2-methyl-, ethyl ester
• 29884-24-0
• C14H18 O4
• 249-926-9
• 250.29032
• .

• Pyrimido[1,6-a]benzimidazole-1,3(2H,5H)-dione,5-cyclopropyl-8-fluoro-7-(4-methyl-1-piperazinyl)-
• 139495-76-4
• C18H20 F N5 O2
• .

• p-Benzoquinone,2,2'-methylenebis[3,5,6-trimethyl- (7CI,8CI)
• 17228-80-7
• C19H20 O4
• 312.3597
• .

• Pentenol, methyl-(7CI,9CI)
• 91684-45-6
• C6 H14 O
• 100.16
• .