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Lab Pro offers a comprehensive selection of high-purity powder and solid reagents from TCI Chemicals, ideal for advanced research, synthesis, and industrial applications. These dependable, lab-grade compounds deliver precision and consistency across a range of scientific disciplines. Choose from a wide variety of substances tailored to your specific requirements. Browse our selection below. For custom or bulk orders, contact us at 888-4-LABPRO (888-452-2776). Next-day service in California and same-day service for will-calls.
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      Pentamethoxy Red, 25G - P0631-25G

      $1,149.36
      Pentamethoxy Red, 25G - P0631-25G - PROPERTIES - Purity: n/a Size: 25G Unit: EA Molecular Formula/Molecular Weight: C24H26O6=410.47 CAS No: 1755-51-7 Physical State: Solid Color: White Melting Point: 146 Condition...

      Pentamethoxy Red, 1G - P0631-1G

      $115.29
      Pentamethoxy Red, 1G - P0631-1G - PROPERTIES - Purity: n/a Size: 1G Unit: EA Molecular Formula/Molecular Weight: C24H26O6=410.47 CAS No: 1755-51-7 Physical State: Solid Color: White Melting Point: 146 Condition...

      Phenylthiohydantoin-(Nepsilon-phenylthiocarbamyl)-lysine, 1G - P0625-1G

      $45.42
      Phenylthiohydantoin-(Nepsilon-phenylthiocarbamyl)-lysine, 1G - P0625-1G - PROPERTIES - Purity: Min. 98.0 (HPLC,T) Size: 1G Unit: EA Molecular Formula/Molecular Weight: C20H22N4OS2=398.54 CAS No: 29635-94-7 Physical State: Solid Color: White Melting Point: 165...

      Phenylthiohydantoin-(Nepsilon-phenylthiocarbamyl)-lysine, 100MG - P0625-100MG

      $32.61
      Phenylthiohydantoin-(Nepsilon-phenylthiocarbamyl)-lysine, 100MG - P0625-100MG - PROPERTIES - Purity: Min. 98.0 (HPLC,T) Size: 100MG Unit: EA Molecular Formula/Molecular Weight: C20H22N4OS2=398.54 CAS No: 29635-94-7 Physical State: Solid Color: White Melting Point: 165...

      N-Phthaloyl-L-glutamic Anhydride, 5G - P0620-5G

      $172.35
      N-Phthaloyl-L-glutamic Anhydride, 5G - P0620-5G - PROPERTIES - Purity: Min. 98.0 (GC,T) Size: 5G Unit: EA Molecular Formula/Molecular Weight: C13H9NO5=259.22 CAS No: 25830-77-7 Physical State: Solid Color: White Melting Point:...

      N-Phthaloyl-L-glutamic Anhydride, 1G - P0620-1G

      $58.23
      N-Phthaloyl-L-glutamic Anhydride, 1G - P0620-1G - PROPERTIES - Purity: Min. 98.0 (GC,T) Size: 1G Unit: EA Molecular Formula/Molecular Weight: C13H9NO5=259.22 CAS No: 25830-77-7 Physical State: Solid Color: White Melting Point:...

      Pyridine-2-carbonyl Chloride Hydrochloride, 5G - P0619-5G

      $81.52
      Pyridine-2-carbonyl Chloride Hydrochloride, 5G - P0619-5G - PROPERTIES - Purity: Min. 93.0 (T) Size: 5G Unit: EA Molecular Formula/Molecular Weight: C6H4ClNO=178.01 CAS No: 39901-94-5 Physical State: Solid Color: White Melting...

      Pyridine-2-carbonyl Chloride Hydrochloride, 25G - P0619-25G

      $207.28
      Pyridine-2-carbonyl Chloride Hydrochloride, 25G - P0619-25G - PROPERTIES - Purity: Min. 93.0 (T) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C6H4ClNO=178.01 CAS No: 39901-94-5 Physical State: Solid Color: White Melting...

      Sodium Pyridine-3-sulfonate, 25G - P0618-25G

      $151.39
      Sodium Pyridine-3-sulfonate, 25G - P0618-25G - PROPERTIES - Purity: Min. 97.0 (HPLC,T) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C5H5NO3S=181.14 CAS No: 15521-77-4 Physical State: Solid Color: White Melting Point:...

      Pyridine-2-azo-p-dimethylaniline, 1G - P0617-1G

      $181.66
      Pyridine-2-azo-p-dimethylaniline, 1G - P0617-1G - PROPERTIES - Purity: Min. 98.0 (HPLC,T) Size: 1G Unit: EA Molecular Formula/Molecular Weight: C13H14N4=226.28 CAS No: 13103-75-8 Physical State: Solid Color: Yellow Red Melting Point:...

      Purpurin, 25G - P0605-25G

      $461.14
      Purpurin, 25G - P0605-25G - PROPERTIES - Purity: Min. 95.0 (HPLC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C14H8O5=256.21 CAS No: 81-54-9 Physical State: Solid Color: Yellow Red Melting Point:...

      Pararosaniline Hydrochloride, 500G - P0599-500G

      $463.47
      Pararosaniline Hydrochloride, 500G - P0599-500G - PROPERTIES - Purity: Min. 95.0 (HPLC) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C19H17N3=323.82 CAS No: 569-61-9 Physical State: Solid Color: Deep Green Melting...

      Pararosaniline Hydrochloride, 25G - P0599-25G

      $85.01
      Pararosaniline Hydrochloride, 25G - P0599-25G - PROPERTIES - Purity: Min. 95.0 (HPLC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C19H17N3=323.82 CAS No: 569-61-9 Physical State: Solid Color: Deep Green Melting...

      Pararosaniline Hydrochloride, 100G - P0599-100G

      $183.99
      Pararosaniline Hydrochloride, 100G - P0599-100G - PROPERTIES - Purity: Min. 95.0 (HPLC) Size: 100G Unit: EA Molecular Formula/Molecular Weight: C19H17N3=323.82 CAS No: 569-61-9 Physical State: Solid Color: Deep Green Melting...

      Basic Blue 1, 25G - P0598-25G

      $115.29
      Basic Blue 1, 25G - P0598-25G - PROPERTIES - Purity: Min. 90.0 (HPLC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C23H24Cl2N2=399.36 CAS No: 3521-06-0 Physical State: Solid Color: Yellow Red...

      Pyrazolone Orange, 25G - P0596-25G

      $32.61
      Pyrazolone Orange, 25G - P0596-25G - PROPERTIES - Purity: n/a Size: 25G Unit: EA Molecular Formula/Molecular Weight: C32H24Cl2N8O2=623.50 CAS No: 3520-72-7 Physical State: Solid Color: Reddish Yellow Melting Point: n/a...

      Pontacyl Carmine 2B, 500G - P0595-500G

      $462.31
      Pontacyl Carmine 2B, 500G - P0595-500G - PROPERTIES - Purity: Min. 93.0 (HPLC) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C19H17N3O9S2=539.44 CAS No: 6625-46-3 Physical State: Solid Color: Red Melting...

      Pontacyl Carmine 2B, 25G - P0595-25G

      $62.88
      Pontacyl Carmine 2B, 25G - P0595-25G - PROPERTIES - Purity: Min. 93.0 (HPLC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C19H17N3O9S2=539.44 CAS No: 6625-46-3 Physical State: Solid Color: Red Melting...

      Palatine Chrome Green, 25G - P0594-25G

      $96.45
      Palatine Chrome Green, 25G - P0594-25G - PROPERTIES - Purity: n/a Size: 25G Unit: EA Molecular Formula/Molecular Weight: C16H12N4O10S2=528.37 CAS No: 3564-28-1 Physical State: Solid Color: Black Melting Point: n/a...

      Pontacyl Violet 6R, 5G - P0593-5G

      $598.55
      Pontacyl Violet 6R, 5G - P0593-5G - PROPERTIES - Purity: n/a Size: 5G Unit: EA Molecular Formula/Molecular Weight: C20H14N2O8S2=518.42 CAS No: 5850-63-5 Physical State: Solid Color: Purple Melting Point: n/a...

      Pontacyl Violet 6R, 1G - P0593-1G

      $150.22
      Pontacyl Violet 6R, 1G - P0593-1G - PROPERTIES - Purity: n/a Size: 1G Unit: EA Molecular Formula/Molecular Weight: C20H14N2O8S2=518.42 CAS No: 5850-63-5 Physical State: Solid Color: Purple Melting Point: n/a...

      Ponceau SX, 25G - P0588-25G

      $175.84
      Ponceau SX, 25G - P0588-25G - PROPERTIES - Purity: n/a Size: 25G Unit: EA Molecular Formula/Molecular Weight: C18H16N2O7S2=480.42 CAS No: 4548-53-2 Physical State: Solid Color: Yellow Red Melting Point: n/a...

      Permanent Orange, 25G - P0587-25G

      $136.25
      Permanent Orange, 25G - P0587-25G - PROPERTIES - Purity: Min. 90.0 (E) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C16H10N4O5=338.28 CAS No: 3468-63-1 Physical State: Solid Color: Yellow Melting Point:...

      Para Red, 25G - P0586-25G

      $47.74
      Para Red, 25G - P0586-25G - PROPERTIES - Purity: n/a Size: 25G Unit: EA Molecular Formula/Molecular Weight: C16H11N3O3=293.28 CAS No: 6410-10-2 Physical State: Solid Color: Yellow Red Melting Point: 252...

      Sudan I, 25G - P0585-25G

      $26.78
      Sudan I, 25G - P0585-25G - PROPERTIES - Purity: Min. 93.0 (HPLC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C16H12N2O=248.29 CAS No: 842-07-9 Physical State: Solid Color: Reddish Yellow Melting...

      4-Phenylazo-1-naphthylamine, 25G - P0584-25G

      $257.35
      4-Phenylazo-1-naphthylamine, 25G - P0584-25G - PROPERTIES - Purity: Min. 95.0 (T) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C16H13N3=247.30 CAS No: 131-22-6 Physical State: Solid Color: Deep Yellow Red Melting...

      Sodium Pyruvate, 500G - P0582-500G

      $334.21
      Sodium Pyruvate, 500G - P0582-500G - PROPERTIES - Purity: Min. 97.0 (T) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C3H4O3=110.04 CAS No: 113-24-6 Physical State: Solid Color: White Melting Point:...

      Sodium Pyruvate, 25G - P0582-25G

      $38.43
      Sodium Pyruvate, 25G - P0582-25G - PROPERTIES - Purity: Min. 97.0 (T) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C3H4O3=110.04 CAS No: 113-24-6 Physical State: Solid Color: White Melting Point:...

      2-Pyrrolidone, 500G - P0575-500G

      $43.09
      2-Pyrrolidone, 500G - P0575-500G - PROPERTIES - Purity: Min. 98.0 (GC) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C4H7NO=85.11 CAS No: 616-45-5 Physical State: Solid Color: White Melting Point: n/a...

      2-Pyrrolidone, 25G - P0575-25G

      $18.63
      2-Pyrrolidone, 25G - P0575-25G - PROPERTIES - Purity: Min. 98.0 (GC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C4H7NO=85.11 CAS No: 616-45-5 Physical State: Solid Color: White Melting Point: n/a...

      Pyrogallol Red, 5G - P0572-5G

      $175.84
      Pyrogallol Red, 5G - P0572-5G - PROPERTIES - Purity: n/a Size: 5G Unit: EA Molecular Formula/Molecular Weight: C19H12O8S=400.36 CAS No: 32638-88-3 Physical State: Solid Color: Deep Yellow Red Melting Point:...

      Pyrogallol Red, 1G - P0572-1G

      $61.72
      Pyrogallol Red, 1G - P0572-1G - PROPERTIES - Purity: n/a Size: 1G Unit: EA Molecular Formula/Molecular Weight: C19H12O8S=400.36 CAS No: 32638-88-3 Physical State: Solid Color: Deep Yellow Red Melting Point:...

      Pyrogallol, 500G - P0570-500G

      $358.67
      Pyrogallol, 500G - P0570-500G - PROPERTIES - Purity: Min. 99.0 (GC) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C6H6O3=126.11 CAS No: 87-66-1 Physical State: Solid Color: White Melting Point: 133...

      Pyrogallol, 25G - P0570-25G

      $51.24
      Pyrogallol, 25G - P0570-25G - PROPERTIES - Purity: Min. 99.0 (GC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C6H6O3=126.11 CAS No: 87-66-1 Physical State: Solid Color: White Melting Point: 133...

      Pyrogallol, 100G - P0570-100G

      $93.16
      Pyrogallol, 100G - P0570-100G - PROPERTIES - Purity: Min. 99.0 (GC) Size: 100G Unit: EA Molecular Formula/Molecular Weight: C6H6O3=126.11 CAS No: 87-66-1 Physical State: Solid Color: White Melting Point: 133...

      Pyrocatechol Violet, 5G - P0568-5G

      $68.71
      Pyrocatechol Violet, 5G - P0568-5G - PROPERTIES - Purity: n/a Size: 5G Unit: EA Molecular Formula/Molecular Weight: C19H14O7S=386.37 CAS No: 115-41-3 Physical State: Solid Color: Deep Yellow Melting Point: n/a...

      Pyrocatechol Violet, 1G - P0568-1G

      $27.95
      Pyrocatechol Violet, 1G - P0568-1G - PROPERTIES - Purity: n/a Size: 1G Unit: EA Molecular Formula/Molecular Weight: C19H14O7S=386.37 CAS No: 115-41-3 Physical State: Solid Color: Deep Yellow Melting Point: n/a...

      Catechol, 500G - P0567-500G

      $55.90
      Catechol, 500G - P0567-500G - PROPERTIES - Purity: Min. 99.0 (GC) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C6H6O2=110.11 CAS No: 120-80-9 Physical State: Solid Color: White Melting Point: 105...

      Catechol, 25G - P0567-25G

      $22.13
      Catechol, 25G - P0567-25G - PROPERTIES - Purity: Min. 99.0 (GC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C6H6O2=110.11 CAS No: 120-80-9 Physical State: Solid Color: White Melting Point: 105...

      1-(4-Pyridyl)pyridinium Chloride HydrochlorideHydrate, 5G - P0565-5G

      $67.54
      1-(4-Pyridyl)pyridinium Chloride HydrochlorideHydrate, 5G - P0565-5G - PROPERTIES - Purity: Min. 98.0 (HPLC,T) Size: 5G Unit: EA Molecular Formula/Molecular Weight: C10H9ClN2=229.10 CAS No: 5421-92-1 Physical State: Solid Color: Very Pale...

      1-(4-Pyridyl)pyridinium Chloride HydrochlorideHydrate, 25G - P0565-25G

      $173.51
      1-(4-Pyridyl)pyridinium Chloride HydrochlorideHydrate, 25G - P0565-25G - PROPERTIES - Purity: Min. 98.0 (HPLC,T) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C10H9ClN2=229.10 CAS No: 5421-92-1 Physical State: Solid Color: Very Pale...

      Pyridoxine Hydrochloride, 500G - P0561-500G

      $486.76
      Pyridoxine Hydrochloride, 500G - P0561-500G - PROPERTIES - Purity: Min. 98.0 (HPLC,T) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C8H11NO3=205.64 CAS No: 58-56-0 Physical State: Solid Color: White Melting Point:...

      Pyridoxine Hydrochloride, 25G - P0561-25G

      $48.91
      Pyridoxine Hydrochloride, 25G - P0561-25G - PROPERTIES - Purity: Min. 98.0 (HPLC,T) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C8H11NO3=205.64 CAS No: 58-56-0 Physical State: Solid Color: White Melting Point:...

      Pyridoxine Hydrochloride, 100G - P0561-100G

      $118.78
      Pyridoxine Hydrochloride, 100G - P0561-100G - PROPERTIES - Purity: Min. 98.0 (HPLC,T) Size: 100G Unit: EA Molecular Formula/Molecular Weight: C8H11NO3=205.64 CAS No: 58-56-0 Physical State: Solid Color: White Melting Point:...

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