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Chemicals
MIDSCI™ is Your Trusted Source for High-Quality Lab Chemicals and Reagents
Looking for reliable chemicals to power your research? MIDSCI™ delivers a full range of high-purity reagents, solvents, and buffers designed for life science, pharmaceutical, microbiology, and organic chemistry workflows. From essential acids and bases to specialized biochemicals, growth media, and DNA kits, our inventory ensures precision, consistency, and compliance, backed by Certificates of Analysis (COAs) and Safety Data Sheets (SDS).
Explore PR1MA™ Chemicals, our premium line of USP- and ACS-grade chemicals
Perfect for molecular biology, plant science, and cellular research, PR1MA™ products offer full traceability and documentation for your peace of mind.
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PR1MA™ Chloramphenicol
CAS Number: 56-75-7
Molecular Weight: 323.1
Chemical Formula: C11H12Cl2N2O 5
Solubility: Ethanol, Methanol and Slightly Soluble in Water
Storage Temp: Room Temperature
Bacteriostatic antibiotic with activity against gram-positive and gram-negative bacteria.
Plant cell culture tested.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White, greyish-white or yellowish-white, fine, crystalline powder or fine crystals, needles or elongated plates
- Identification: Pass
- Melting Point : 149 - 153 oC
- pH: 4.5 - 7.5
- Specific Optical Rotation: +17.0 - +20.0 o
- Chloride: ≤ 0.01 %
- Related Substances: ≤ 0.50 %
- Loss on Drying: ≤ 0.50 %
- Sulfated Ash: ≤ 0.10 %
- Assay (Dried Basis): 98.0 - 102.0 %
- Non Animal Origin: Non Animal Origin
- Grade: USP
- Country of Origin : Report
PR1MA™ Tris-Acetate
- Appearance: White crystalline powder
- Heavy Metals: ≤ 0.001 %
- Moisture: ≤ 0.3 %
- pH (0.1M Solution in water): 6.0 - 7.0
- Purity: ≥ 98.0 %
- Residue on Ignition: ≤ 0.1 %
- BSE/TSE Free: BSE/TSE Free
- Country of Origin: Report
PR1MA™ Sodium Phosphate Dibasic, Anhydrous
CAS Number: 7558-79-4
Molecular Weight: 142.0
Chemical Formula: Na2HPO4
Solubility: Water
Storage Temp: Room Temperature
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Crystal
- Assay: ≥ 99.0 %
- Chloride (Cl): ≤ 0.002 %
- Heavy Metals : ≤ 10 ppm
- Insoluble Matter: ≤ 0.01 %
- Iron: ≤ 0.002 %
- Loss on Drying: ≤ 0.2 %
- pH (5% Solution): 8.7 - 9.3
- Sulfate: ≤ 0.005 %
- Aerobic Plate Count: ≤ 1000 CFU/g
- Yeast and Mold : ≤ 100 cfu/g
- Total Coliforms: Negative
PR1MA™ Chloramphenicol
Molecular Weight: 323.1
Chemical Formula: C11H12Cl2N2O 5
Solubility: Ethanol, Methanol and Slightly Soluble in Water
Storage Temp: Room Temperature
Bacteriostatic antibiotic with activity against gram positive and gram negative bacteria.
Plant cell culture tested.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White, greyish-white or yellowish-white, fine, crystalline powder or fine crystals, needles or elongated plates
- Identification: Pass
- Melting Point: 149 - 153 oC
- pH: 4.5 - 7.5
- Specific Optical Rotation: +17.0 - +20.0o
- Chloride: ≤ 0.01 %
- Related Substances: ≤ 0.50 %
- Loss on Drying: ≤ 0.50 %
- Sulfated Ash: ≤ 0.10 %
- Assay (Dried Basis): 98.0 - 102.0 %
- Non Animal Origin: Non Animal Origin
- Grade: USP
- Country of Origin: Report
PR1MA™ Cycloheximide
CAS Number: 66-81-9
Molecular Weight: 281.35
Chemical Formula: C15H23NO4
Solubility: Ethanol, methanol
Storage Temp: 2-8°C
Antifungal antibiotic that inhibits protein synthesis in eukaryotes. Blocks translation of mRNA on the ribosome derived from Streptomyces griseus.
WARNING! This product can expose you to Cycloheximide, a chemical which is known to the State of California to cause developmental harm. For more information go to www.P65Warnings.ca.gov.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White to Off White Crystalline Powder
- HPLC (Purity): ≥ 96.0 %
- Identification (HPLC): Conforms
- Melting Point: 102 - 120 oC
- Potency: ≥ 950 µg/mg
- Solubility: Soluble In Chloroform; Ethanol, Methanol
- Water Content: < 0.3 %
PR1MA™ Chlortetracycline Hydrochloride
CAS Number: 64-72-2
Molecular Weight: 515.3
Chemical Formula: C22H23ClN2O8 • HCl
Solubility: Water
Storage Temp: -20°C
Bacteriostatic antibiotic active against gram positive and gram negative bacteria.
Protect from light.
Research or further manufacturing use only, not for food or drug use.
- Appearance: Yellow Crystalline Powder
- Crystallinity: Pass
- Identification: Pass
- Loss on Drying: ≤ 2.0 %
- pH (1% Solution in Water)@ 25°C: 2.3 - 3.3
- Potency: ≥ 900 µg/mg
- Specific Rotation: -250 - -235°
PR1MA™ HEPPS [N-(2-Hydroxyethyl)piperazine-N'-(3-propane sulfonic acid)] [EPPS]
Common Name: HEPPS [N-(2-Hydroxyethyl)piperazine-N'-(3-propane sulfonic acid)] [EPPS]
CAS Number: 16052-06-5
Molecular Weight: 252.3
Chemical Formula: C9H20N2O4S
Solubility: Water
Storage Temp: Room Temperature
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Crystalline Powder
- Assay (Titration, dried basis): ≥ 99.0 %
- Loss on Drying: ≤ 1.0 %
- pH (1mol/L in Water @ 20 oC: 5.0 - 7.0
- Solubility (0.1M in water): Clear and Colorless
PR1MA™ Streptomycin Sulfate
CAS Number: 3810-74-0
Molecular Weight: 1457.4
Chemical Formula: (C21H39N7O12) 2 • 3H2SO4
Solubility: Water
Storage Temp: 2-8°C
Aminoglycoside antibiotic with a bactericidal action against most gram negative bacteria. Plant cell culture tested.
WARNING! This product can expose you to Streptomycin sulfate, a chemical which is known to the State of California to cause developmental harm. For more information go to www.P65Warnings.ca.gov.
Research or further manufacturing use only, not for food or drug use.
- Appearance: Fine White Powder
- Appearance of Solution: Clear
- Abnormal Toxicity: Meets The Requirements
- Bacterial Endotoxins : ≤ 0.25 IU/mg
- Colorimetric: ≥ 90.0 %
- Identification: Complies
- Loss on Drying (EP): ≤ 7.0 %
- Loss on Drying (USP): ≤ 5.0 %
- Methanol (GC): ≤ 0.3 %
- pH: 4.5 - 7.0
- Potency (Dried basis): ≥ 720 µg/mg
- Residual Solvents: No Class 1, 2, 3 or other residual solvents are present
- Streptomycin B: ≤ 3.0 %
- Sulfate: 18.0 - 21.5 %
- Sulfated Ash: ≤ 1.0 %
- BSE/TSE: BSE/TSE Free
PR1MA™ Blasticidin S Hydrochloride 10 mg / mL Solution
CAS Number: 3513-03-9
Molecular Weight: 458.9
Chemical Formula: C17H26N8O5 • HCl
Solubility: Water
Storage Temp: -20°C
A peptidyl nucleoside antibiotic isolated from the culture broth of Streptomyces griseogenes, inhibits protein synthesis in both prokaryotes and eukaryates.
Supplied as a 10 mg / mL sterile solution in HEPES buffer.
Research or further manufacturing use only, not for food or drug use.
- Appearance: Clear Solution
- Concentration: 10mg/ml sterile solution
- Description: Colorless solution in HEPES buffer
- pH: 7.2 - 7.5
- Purity: ≥ 98.0 %
Proudly made in the USA! Click here for more made in America products!
PR1MA™ Hygromycin B Liquid
CAS Number: 31282-04-9Molecular Weight: 527.53
Chemical Formula: C20H37N3O13
Solubility: Water
Storage Temp: 2-8°C
Aminoglycoside antibiotic inhibits growth of prokaryotic (bacteria), eukaryotic microorganism (yeasts) and mammalian cells. Particularly useful as a selective agent for the incorporation of the APH 4 gene in plant tissue. Inhibits peptide chain elongation by preventing elongation-factor EF-2 dependent translocation. Supplied as 1 million units in solution per vial. 1 Million Units of Hygromycin
Research or further manufacturing use only, not for food or drug use.
- Appearance: Light amber solution
- Purity: ≥ 80 %
- Potency: Report U/mg
- Concentration: Report (500 mg Hygromycin B/ml) units/ml
- Density: Report mg / mL
Proudly made in the USA! Click here for more made in America products!
PR1MA™ LB Agar, Low Salt Formula, Granulated [Lennox L Agar]
Common Name: Lennox L Agar
CAS Number: 91079-40-2, 8013-01-2, 7647-14-5, 9002-18-0
Solubility: Water with Heat
Storage Temp: Room Temperature
For propagation and maintenance of E. Coli.
Dissolve 32 grams in 1 Liter of distilled water and adjust the pH to 7.2. Sterilize by autoclaving for 15
minutes.
Ingredients:
- Casein Peptone: 10 g/L
- Sodium Chloride: 5 g/L
- Yeast Extract: 5 g/L
- Agar: 12 g/L
- DCM Appearance: Homogeneous Free Flowing ,Light Beige
- PPM Appearance: Clear, no to light ppt, light yellow
- pH (2.0% Solution @ 25 oC): 6.8 - 7.2
- Microorganism (E. coli ATCC 23724): Good to Excellent
- Microorganism (E. coli ATCC 33694): Good to Excellent
- Microorganism (E. coli ATCC 33849): Fair to Excellent
- Microorganism (E. coli ATCC 39403): Good to Excellent
- Microorganism (E. coli ATCC 47014): Good to Excellent
- Microorganism (E. coli ATCC 53868): Good to Excellent
- Sodium Chloride: 5 g/l
- Yeast Extract: 5 g/L
- Agar: 12 g/l
- Casein Peptone: 10 g/L
Proudly made in the USA! Click here for more made in America products!
PR1MA™ PBS [Phosphate Buffered Saline], 10X Powder Concentrate, White Granular Powder
CAS Number: 7778-77-0; 7447-40-7; 7558-79-4; 7647-14-5
Storage Temp: Room Temperature
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Uniform Powder (No Granular)
- Chloride: 0.136 - 0.144 moles/liter
- Conductivity @ 25 oC: 14000 - 17800 µomhos/cm
- DNase, RNase, protease: Not Detected
- pH (10X Solution): 6.7 - 6.9
- pH (1 X Solution): 7.3 - 7.5
- Solubility: Pass Test (9.89%)
- Seal Integrity Testing: Pass Test
Proudly made in the USA! Click here for more made in America products!
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