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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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      5-Iodouracil, 25G - I0219-25G

      $177.00
      5-Iodouracil, 25G - I0219-25G - PROPERTIES - Purity: Min. 99.0 (HPLC,T) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C4H3IN2O2=237.98 CAS No: 696-07-1 Physical State: Solid Color: White Melting Point: n/a...

      4-Iodotoluene, 500G - I0218-500G

      $959.55
      4-Iodotoluene, 500G - I0218-500G - PROPERTIES - Purity: Min. 99.0 (GC) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C7H7I=218.04 CAS No: 624-31-7 Physical State: Solid Color: White Melting Point: n/a...

      4-Iodotoluene, 25G - I0218-25G

      $79.19
      4-Iodotoluene, 25G - I0218-25G - PROPERTIES - Purity: Min. 99.0 (GC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C7H7I=218.04 CAS No: 624-31-7 Physical State: Solid Color: White Melting Point: n/a...

      4-Iodotoluene, 100G - I0218-100G

      $239.89
      4-Iodotoluene, 100G - I0218-100G - PROPERTIES - Purity: Min. 99.0 (GC) Size: 100G Unit: EA Molecular Formula/Molecular Weight: C7H7I=218.04 CAS No: 624-31-7 Physical State: Solid Color: White Melting Point: n/a...

      Indigo Carmine, 25G - I0214-25G

      $33.77
      Indigo Carmine, 25G - I0214-25G - PROPERTIES - Purity: Min. 95.0 (E) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C16H10N2O8S2=466.35 CAS No: 860-22-0 Physical State: Solid Color: Deep Blue Melting...

      Indigo (synthetic), 25G - I0212-25G

      $76.86
      Indigo (synthetic), 25G - I0212-25G - PROPERTIES - Purity: Min. 97.0 (N) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C16H10N2O2=262.27 CAS No: 482-89-3 Physical State: Solid Color: Deep Blue Melting...

      Indophenol Blue, 1G - I0208-1G

      $90.83
      Indophenol Blue, 1G - I0208-1G - PROPERTIES - Purity: n/a Size: 1G Unit: EA Molecular Formula/Molecular Weight: C18H16N2O=276.34 CAS No: 132-31-0 Physical State: Solid Color: Purple Melting Point: n/a Condition...

      Dimethyl Itaconate(stabilized with HQ), 500G - I0206-500G

      $150.22
      Dimethyl Itaconate(stabilized with HQ), 500G - I0206-500G - PROPERTIES - Purity: Min. 98.0 (GC) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C7H10O4=158.15 CAS No: 617-52-7 Physical State: Solid Color: White...

      Itaconic Anhydride, 500G - I0203-500G

      $441.35
      Itaconic Anhydride, 500G - I0203-500G - PROPERTIES - Purity: Min. 95.0 (T) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C5H4O3=112.08 CAS No: 2170-03-8 Physical State: Solid Color: White Melting Point:...

      Itaconic Anhydride, 100G - I0203-100G

      $124.60
      Itaconic Anhydride, 100G - I0203-100G - PROPERTIES - Purity: Min. 95.0 (T) Size: 100G Unit: EA Molecular Formula/Molecular Weight: C5H4O3=112.08 CAS No: 2170-03-8 Physical State: Solid Color: White Melting Point:...

      1-Naphthyl Isothiocyanate, 5G - I0190-5G

      $107.13
      1-Naphthyl Isothiocyanate, 5G - I0190-5G - PROPERTIES - Purity: Min. 98.0 (GC) Size: 5G Unit: EA Molecular Formula/Molecular Weight: C11H7NS=185.24 CAS No: 551-06-4 Physical State: Solid Color: White Melting Point:...

      1-Naphthyl Isothiocyanate, 25G - I0190-25G

      $335.38
      1-Naphthyl Isothiocyanate, 25G - I0190-25G - PROPERTIES - Purity: Min. 98.0 (GC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C11H7NS=185.24 CAS No: 551-06-4 Physical State: Solid Color: White Melting Point:...

      Isoquinoline, 500G - I0182-500G

      $170.02
      Isoquinoline, 500G - I0182-500G - PROPERTIES - Purity: Min. 95.0 (GC) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C9H7N=129.16 CAS No: 119-65-3 Physical State: Solid Color: White Melting Point: n/a...

      Isoquinoline, 25G - I0182-25G

      $31.44
      Isoquinoline, 25G - I0182-25G - PROPERTIES - Purity: Min. 95.0 (GC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C9H7N=129.16 CAS No: 119-65-3 Physical State: Solid Color: White Melting Point: n/a...

      L-Isoleucine, 500G - I0181-500G

      $429.70
      L-Isoleucine, 500G - I0181-500G - PROPERTIES - Purity: Min. 98.0 (T) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C6H13NO2=131.18 CAS No: 73-32-5 Physical State: Solid Color: White Melting Point: 288...

      L-Isoleucine, 25G - I0181-25G

      $52.40
      L-Isoleucine, 25G - I0181-25G - PROPERTIES - Purity: Min. 98.0 (T) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C6H13NO2=131.18 CAS No: 73-32-5 Physical State: Solid Color: White Melting Point: 288...

      L-Isoleucine, 100G - I0181-100G

      $125.77
      L-Isoleucine, 100G - I0181-100G - PROPERTIES - Purity: Min. 98.0 (T) Size: 100G Unit: EA Molecular Formula/Molecular Weight: C6H13NO2=131.18 CAS No: 73-32-5 Physical State: Solid Color: White Melting Point: 288...

      DL-Isoleucine(mixture of diastereoisomers), 5G - I0180-5G

      $45.42
      DL-Isoleucine(mixture of diastereoisomers), 5G - I0180-5G - PROPERTIES - Purity: Min. 98.0 (T) Size: 5G Unit: EA Molecular Formula/Molecular Weight: C6H13NO2=131.18 CAS No: 443-79-8 Physical State: Solid Color: White Melting...

      DL-Isoleucine(mixture of diastereoisomers), 25G - I0180-25G

      $156.04
      DL-Isoleucine(mixture of diastereoisomers), 25G - I0180-25G - PROPERTIES - Purity: Min. 98.0 (T) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C6H13NO2=131.18 CAS No: 443-79-8 Physical State: Solid Color: White Melting...

      Potassium Isopropylxanthate, 25G - I0177-25G

      $189.81
      Potassium Isopropylxanthate, 25G - I0177-25G - PROPERTIES - Purity: Min. 98.0 (T) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C4H8OS2=174.32 CAS No: 140-92-1 Physical State: Solid Color: White Melting Point:...

      4-Chlorophenyl Isothiocyanate, 25G - I0167-25G

      $221.26
      4-Chlorophenyl Isothiocyanate, 25G - I0167-25G - PROPERTIES - Purity: Min. 98.0 (GC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C7H4ClNS=169.63 CAS No: 2131-55-7 Physical State: Solid Color: White Melting Point:...

      Isopropylamine Hydrochloride, 500G - I0166-500G

      $210.77
      Isopropylamine Hydrochloride, 500G - I0166-500G - PROPERTIES - Purity: Min. 98.0 (N,T) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C3H9N=95.57 CAS No: 15572-56-2 Physical State: Solid Color: White Melting Point:...

      Isopropylamine Hydrochloride, 25G - I0166-25G

      $33.77
      Isopropylamine Hydrochloride, 25G - I0166-25G - PROPERTIES - Purity: Min. 98.0 (N,T) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C3H9N=95.57 CAS No: 15572-56-2 Physical State: Solid Color: White Melting Point:...

      Isopropylamine Hydrochloride, 100G - I0166-100G

      $79.19
      Isopropylamine Hydrochloride, 100G - I0166-100G - PROPERTIES - Purity: Min. 98.0 (N,T) Size: 100G Unit: EA Molecular Formula/Molecular Weight: C3H9N=95.57 CAS No: 15572-56-2 Physical State: Solid Color: White Melting Point:...

      Isophthaloyl Chloride, 500G - I0159-500G

      $67.54
      Isophthaloyl Chloride, 500G - I0159-500G - PROPERTIES - Purity: Min. 99.0 (GC,T) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C8H4Cl2O2=203.02 CAS No: 99-63-8 Physical State: Solid Color: White Melting Point:...

      Isophthaloyl Chloride, 25G - I0159-25G

      $23.29
      Isophthaloyl Chloride, 25G - I0159-25G - PROPERTIES - Purity: Min. 99.0 (GC,T) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C8H4Cl2O2=203.02 CAS No: 99-63-8 Physical State: Solid Color: White Melting Point:...

      Isophthalonitrile, 25G - I0158-25G

      $45.42
      Isophthalonitrile, 25G - I0158-25G - PROPERTIES - Purity: Min. 98.0 (GC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C8H4N2=128.13 CAS No: 626-17-5 Physical State: Solid Color: White Melting Point: 162...

      Isophthalonitrile, 250G - I0158-250G

      $228.24
      Isophthalonitrile, 250G - I0158-250G - PROPERTIES - Purity: Min. 98.0 (GC) Size: 250G Unit: EA Molecular Formula/Molecular Weight: C8H4N2=128.13 CAS No: 626-17-5 Physical State: Solid Color: White Melting Point: 162...

      Dimethyl Isophthalate, 500G - I0157-500G

      $43.09
      Dimethyl Isophthalate, 500G - I0157-500G - PROPERTIES - Purity: Min. 99.0 (GC) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C10H10O4=194.19 CAS No: 1459-93-4 Physical State: Solid Color: White Melting Point:...

      Dimethyl Isophthalate, 25G - I0157-25G

      $22.13
      Dimethyl Isophthalate, 25G - I0157-25G - PROPERTIES - Purity: Min. 99.0 (GC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C10H10O4=194.19 CAS No: 1459-93-4 Physical State: Solid Color: White Melting Point:...

      Isophthalaldehyde, 25G - I0153-25G

      $68.71
      Isophthalaldehyde, 25G - I0153-25G - PROPERTIES - Purity: Min. 98.0 (GC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C8H6O2=134.13 CAS No: 626-19-7 Physical State: Solid Color: White Melting Point: 89...

      Isophthalaldehyde, 250G - I0153-250G

      $292.29
      Isophthalaldehyde, 250G - I0153-250G - PROPERTIES - Purity: Min. 98.0 (GC) Size: 250G Unit: EA Molecular Formula/Molecular Weight: C8H6O2=134.13 CAS No: 626-19-7 Physical State: Solid Color: White Melting Point: 89...

      Isophthalamide, 25G - I0152-25G

      $103.64
      Isophthalamide, 25G - I0152-25G - PROPERTIES - Purity: Min. 97.0 (N) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C8H8N2O2=164.16 CAS No: 1740-57-4 Physical State: Solid Color: White Melting Point: n/a...

      Isonicotinoyl Chloride Hydrochloride, 25G - I0144-25G

      $104.81
      Isonicotinoyl Chloride Hydrochloride, 25G - I0144-25G - PROPERTIES - Purity: Min. 95.0 (T) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C6H4ClNO=178.01 CAS No: 39178-35-3 Physical State: Solid Color: White Melting...

      Isonicotinoyl Chloride Hydrochloride, 250G - I0144-250G

      $642.80
      Isonicotinoyl Chloride Hydrochloride, 250G - I0144-250G - PROPERTIES - Purity: Min. 95.0 (T) Size: 250G Unit: EA Molecular Formula/Molecular Weight: C6H4ClNO=178.01 CAS No: 39178-35-3 Physical State: Solid Color: White Melting...

      Phenyl Isonicotinate, 25G - I0142-25G

      $235.23
      Phenyl Isonicotinate, 25G - I0142-25G - PROPERTIES - Purity: n/a Size: 25G Unit: EA Molecular Formula/Molecular Weight: C12H9NO2=199.21 CAS No: 94-00-8 Physical State: Solid Color: White Melting Point: 72 Condition...

      Isonicotinamide, 500G - I0135-500G

      $207.28
      Isonicotinamide, 500G - I0135-500G - PROPERTIES - Purity: Min. 99.0 (HPLC,T) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C6H6N2O=122.13 CAS No: 1453-82-3 Physical State: Solid Color: White Melting Point: 158...

      Isonicotinamide, 25G - I0135-25G

      $33.77
      Isonicotinamide, 25G - I0135-25G - PROPERTIES - Purity: Min. 99.0 (HPLC,T) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C6H6N2O=122.13 CAS No: 1453-82-3 Physical State: Solid Color: White Melting Point: 158...

      4-Nitrophenyl Isocyanate(contains varying amounts of polymers), 5G - I0129-5G

      $112.96
      4-Nitrophenyl Isocyanate(contains varying amounts of polymers), 5G - I0129-5G - PROPERTIES - Purity: Min. 98.0 (GC) Size: 5G Unit: EA Molecular Formula/Molecular Weight: C7H4N2O3=164.12 CAS No: 100-28-7 Physical State: Solid...

      4-Nitrophenyl Isocyanate(contains varying amounts of polymers), 25G - I0129-25G

      $328.39
      4-Nitrophenyl Isocyanate(contains varying amounts of polymers), 25G - I0129-25G - PROPERTIES - Purity: Min. 98.0 (GC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C7H4N2O3=164.12 CAS No: 100-28-7 Physical State: Solid...

      Potassium Isobutyrate, 25G - I0107-25G

      $124.60
      Potassium Isobutyrate, 25G - I0107-25G - PROPERTIES - Purity: Min. 98.0 (T) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C4H8O2=126.20 CAS No: 19455-20-0 Physical State: Solid Color: White Melting Point:...

      Isobutyramide, 500G - I0102-500G

      $666.09
      Isobutyramide, 500G - I0102-500G - PROPERTIES - Purity: Min. 98.0 (GC) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C4H9NO=87.12 CAS No: 563-83-7 Physical State: Solid Color: White Melting Point: 128...

      Isobutyramide, 25G - I0102-25G

      $58.23
      Isobutyramide, 25G - I0102-25G - PROPERTIES - Purity: Min. 98.0 (GC) Size: 25G Unit: EA Molecular Formula/Molecular Weight: C4H9NO=87.12 CAS No: 563-83-7 Physical State: Solid Color: White Melting Point: 128...

      Isobutylamine Hydrochloride, 500G - I0096-500G

      $449.50
      Isobutylamine Hydrochloride, 500G - I0096-500G - PROPERTIES - Purity: Min. 99.0 (T) Size: 500G Unit: EA Molecular Formula/Molecular Weight: C4H11N=109.60 CAS No: 5041-09-8 Physical State: Solid Color: White Melting Point:...

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