• Poloxamer-iodine
• 26617-87-8
• C₅H₁₀I₂O₂
• 0
• .

• Peptide YY (Lampetrafluviatilis) (9CI)
• 224777-29-1
• C181H288 N52 O57 S2
• .

• Pyridine,3-[2-(4-pyridinyl)ethenyl]-
• 2682-93-1
• C12H10 N2
• 0
• .

• Phosphino, selenoxo-(9CI)
• 64296-84-0
• PSe
• 109.933761
• .

• Phenol, 2,4,5-tribromo-
• 14401-61-7
• C₆H₃Br₃O
• 330.7994
• .

• Pyridinium,1-[2-[[2-chloro-4-[2-(4-nitrophenyl)diazenyl]phenyl]amino]ethyl]-4-methyl-,hydroxide (1:1)
• 93966-73-5
• C20H19 Cl N5 O2 . H O
• 301-026-8
• 413.8575
• .

• Propanedioic acid,2-(2-furanylmethylene)-, 1,3-diethyl ester
• 17448-96-3
• C12H14 O5
• 241-463-0
• 238.24
• .

• Pyrido[4,3,2-mn]pyrrolo[3,2,1-de]thiazolo[5,4-b]acridinium,9,10-dihydro-1-methyl-
• 125236-61-5
• C19H14 N3 S
• .

• Poly(oxy-1,2-ethanediyl),a-hydro-w-[(1-oxooctadecyl)oxy]-, etherwith D-glucitol (6:1)
• 9011-29-4
• (C2H4 O)n (C2 H4 O)n (C2 H4 O)n (C2 H4 O)n (C2 H4 O)n (C2 H4 O)n C114 H218 O12
• 0
• .

• Promethium, isotope ofmass 141
• 14952-27-3
• Pm
• 141
• .

• Propanedinitrile,2-(2-oxo-1(2H)-acenaphthylenylidene)-
• 14619-86-4
• C15H6 N2 O
• 0
• .

• Pentanoic acid,5-[[5-[[(3b)-3-hydroxy-28-oxolup-20(29)-en-28-yl]amino]-1-oxopentyl]amino]-(9CI)
• 150840-70-3
• C40H66 N2 O5
• 654.9624
• .

• Protein (rice generab16B) (9CI)
• 128964-24-9
• 0
• .

• Propanoic acid,2-(2,4-dichlorophenoxy)-, isooctyl ester
• 28631-35-8
• C17H24 Cl2 O3
• 249-110-2
• 347.27666
• .

• Piperidinium,4-[[2-(1,2-benzisoxazol-3-yl)-2-(hexahydro-1H-azepin-1-yl)acetyl]oxy]-1-ethyl-1-methyl-,iodide (1:1)
• 86434-57-3
• C23H34 N3 O3 . I
• 0
• .

• Picras-3-ene-2,11,16-trione,1,12,20-tris(acetyloxy)-6-[(2-methyl-1-oxo-2-butenyl)oxy]-, [1b,6a(E),12a]- (9CI)
• 69423-71-8
• C31H38 O12
• 0
• .

• Pyrimido[5,4-e]-1,2,4-triazin-5-amine
• 19359-15-0
• C5H4 N6
• 148.12546
• .

• Pyridazine, 3,6-diiodo-
• 20698-04-8
• C4H2 I2 N2
• 331.8827
• .

• Potassium, isotope ofmass 42
• 14378-21-3
• K
• 43.96156
• .

• Piperidine,1,1'-[(dimethylvinylene)bis(p-phenyleneoxyethylene)]di-, (E)- (8CI)
• 15542-07-1
• C30H42 N2 O2
• 462.6667
• .

• Phosphonic acid,P,P'-[(cycloheptylamino)methylene]bis-, sodium salt (1:2)
• 138330-18-4
• C₈H₁₇NNa₂O₆P₂
• 331.15
• .

• Phosphinidene, fluoro-(9CI)
• 16027-92-2
• FP
• 49.972165
• .

• Phosphorimidic triamide(6CI,8CI,9CI)
• 14700-19-7
• H7N4 P
• .

• Propanoic acid,2,2-dimethyl-, propyl ester
• 5129-35-1
• C8H16 O2
• 0
• .

• Propanoic acid,3-[3-[bis(2-chloroethyl)amino]phenoxy]-
• 64977-02-2
• C13H17 Cl2 N O3
• 0
• .

• Praseodymium phosphide(PrP)
• 12066-49-8
• PPr
• 235-068-2
• 171.8814
• .

• Protein AHNAK (humanclone lRR00/Z37/Z21/Z78/Z83/Z80/Z18fragment) (9CI)
• 149176-44-3
• C₉H₁₁ClN₂O₂
• 0
• .

• Protein (human geneHMC) (9CI)
• 188763-65-7
• 0
• .

• Propanoic acid,3-[2-(2-heptadecyl-4,5-dihydro-1H-imidazol-1-yl)ethoxy]-, sodium salt (1:1)
• 4534-82-1
• C25H48 N2 O3 . Na
• 224-879-7
• 446.64205
• .

• Protein (Rhodobactersphaeroides clone pCHB16014/pCHB185 gene sqdB reduced) (9CI)
• 148970-77-8
• 0
• .

• Pregna-1,4-diene-3,11,20-trione,17-hydroxy-21-[(1-oxoheptyl)oxy]- (9CI)
• 85959-59-7
• C28H38 O6
• 289-054-6
• 470.59772
• .

• Pyrazine, 1-oxide
• 2423-65-6
• C₄H₄N₂O
• 96.09
• .

• Pentanedioic acid,1,5-didocosyl ester
• 94278-09-8
• C49H96 O4
• 304-695-4
• 749.28414
• .

• Phosphonic acid,[2-bromo-1-(chloromethyl)ethyl]-,1-[bis(2-bromo-3-chloropropoxy)phosphinyl]ethyl 2-bromo-3-chloropropyl ester(9CI)
• 25079-53-2
• C14H24 Br4 Cl4 O6 P2
• 811.712
• .

• Protein PBP 2x(Streptococcus pneumoniae clone pPG1) (9CI)
• 128284-03-7
• 0
• .

• Pyridinium,2,4,6-triphenyl-1-(1,5,6-trimethyl-1H-benzimidazol-2-yl)-, iodide (1:1)
• 130787-40-5
• C33H28 N3 . I
• 593.5
• .

• Piperazine,1-(3-chloro-4-methylphenyl)-4-[6-[4-(1,1-dimethylpropyl)phenoxy]hexyl]-
• 14728-33-7
• C28H41 Cl N2 O
• 0
• .

• Pyridine,2-hydrazinyl-, hydrochloride (1:2)
• 62437-99-4
• C₅H₉Cl₂N₃
• 263-541-3
• 182.0511
• .

• Pyrrolidinium,1-(2-methoxy-2-oxoethyl)-1-methyl-, iodide (1:1)
• 22041-28-7
• C8H16 N O2 . I
• 285.15
• .

• Pentaerythritol dinitrate
• 1607-01-8
• C₅H₁₀N₂O₈
• 226.1415
• .

• Phosphine sulfide,1,1'-methylenebis[1,1-diphenyl-
• 14633-92-2
• C25H22 P2 S2
• 448.5197
• .

• Phosphine oxide(6CI,7CI,8CI,9CI)
• 13840-40-9
• H3O P
• 0
• .

• Pregn-4-ene-3,20-dione,21-(acetyloxy)-11,17-dihydroxy-2-methyl-, (2a,11b)- (9CI)
• 28449-20-9
• C24H34 O6
• 418.5232
• .

• Peptide I (Buthussindicus venom reduced) (9CI)
• 125508-11-4
• C152H250 N46 O46 S9
• .

• Peroxide,bis(2-methylphenyl) (9CI)
• 35112-60-8
• C14H14 O2
• 252-376-2
• 214.25976
• .

• Pyrene,1-[(1E)-2-methoxyethenyl]-
• 93265-41-9
• C19H14 O
• 0
• .

• Phosphorotrithioicacid, S,S,S-trimethyl ester
• 681-71-0
• C3H9 O P S3
• 188.27
• .

• Piperazine,2-(4-fluorophenyl)-
• 65709-33-3
• C₁₀H₁₃FN₂
• 182.2368
• .

• Phosphonodithioic acid,phenyl-, S,S-dibutyl ester (7CI,8CI,9CI)
• 2797-64-0
• C14H23 O P S2
• 302.4356
• .

• Pyrrolo[2,1-b]oxazol-5(6H)-one,tetrahydro-7a-methyl-3-(1-methylethyl)-, (3S,7aR)-
• 98203-44-2
• C10H17 N O2
• 197.27
• .