Antibiotics

Alpha X-gal, 40mg/ml
(5-Bromo-4-chloro-3-Indoyl-Alpha-D-Galactopyranoside)

Description:  40mg/ml alpha X-gal, 40mg/ml.  
Applications:  Ready to use solution for cloning systems that use a-galactosidase activity as an indicator of nonrecombination.
Shipping Conditions:  Ambient.
Storage:  Room temperature.

Ampicillin USP Grade, Sodium Salt

Synonyms:  D[-]-a-aminobenzylpenicillin.
Description:  White to off white crystalline powder.
Applications:  For use in bacteria culture media.
Molecular Formula:  C₁₆H₁₈N₃O₄SNa
Molecular Weight:  371.39
CAS # :  69-52-3

Potency................................... 845-988 mg/mg
Moisture.................................................. <2.0%
pH (1%, H₂O)..................................... 8.0 - 10.0
Identification.......................................... Passes
Crystallinity........................................... Passes
Dimethylaniline..................................... Passes
Methylene chloride................................ Passes
HAZARD.......................................................... I
STORAGE..................................................... C

Ampicillin Solution, 50mg/ml

Synonyms:  D[-]-a-aminobenzylpenicillin.
Description:  Clear colorless sterile solution of 50mg/ml ampicillin.
Applications:  For use in bacteria and cell culture media.
Molecular Formula:  C₁₆H₁₈N₃OSNa
Molecular Weight:  371.89
CAS #  NA

HAZARD.......................................................... I
STORAGE...................................................... F

Carbenicillin USP Grade, Disodium Salt

Synonyms:  a-carboxybenzylpenicillin.
Description:  Off-white powder.
Applications:  Antibiotic.  For use in bacteria and cell culture media.
Molecular Formula:  C₁₇H₁₆N₂O₆SNa₂
Molecular Weight:  422.37
CAS # :  4800-94-6

Potency.................................. min 770mcg/mg
pH (1% , H₂O @ 25°C)........................ 6.5 - 8.0
Water content................................... max 6.0%
Pyrogen..................................... None detected
HAZARD......................................................... H
STORAGE .................................................... C

Carbenicillin Solution, 50mg/ml

Synonyms:  a-carboxybenzylpenicillin.
Description:  Clear, colorless sterile solution of
50mg/ml carbenicillin.
Applications:  Antibiotic.  For use in bacteria and cell culture media.   
Molecular Formula:  C₁₇H₁₆N₂O₆SNa₂
Molecular Weight:  422.4
CAS #  NA

HAZARD......................................................... H
STORAGE...................................................... F

Carbenicillin Solution, 100mg/ml

Synonyms:  a-carboxybenzylpenicillin.
Description:  Clear, colorless sterile solution of
100mg/ml carbenicillin.
Applications:  Antibiotic.  For use in bacteria and cell culture media.   
Molecular Formula:  C₁₇H₁₆N₂O₆SNa₂
Molecular Weight:  422.4
CAS #  NA

HAZARD......................................................... H
STORAGE...................................................... F

Chloramphenicol USP Grade

Synonyms:  Chloromycetin, D[-]-threo-2-dichloroacetamido-1-[p-nitrophenyl]-1,3-propanediol.
Description:  White to off-white powder.
Applications:  For use in bacteria and cell culture.
Molecular Formula:  C₁₁H₁₂Cl₂N₂O₅.
Molecular Weight:   323.13
CAS # :  56-75-7

Erythromycin USP Grade

Synonyms:  E-mycin.
Description:  White powder.
Applications:  For use in bacteria and cell culture.
Molecular Formula:  C₃₇H₆₇NO₁₃
Molecular Weight:  733.94
CAS # :  114-07-8

Potency......................................... >850mg/mg
pH (0.2%, 5% methanol)................... 8.0 - 10.5
Water....................................................... <10%
Residue upon ignition............................. <2.0%
Specific rotation.............................. -70° to -78°
HAZARD...........................................................I
STORAGE...................................................... F

Erythromycin Solution, 50mg/ml

Synonyms:  E-mycin.
Description:  Clear, colorless sterile 50mg/ml ethromycin.
Applications:  For use in bacteria and cell culture media.
Molecular Formula:  C₃₇H₆₇NO₁₃
Molecular Weight:  733.94
CAS #

HAZARD...........................................................I
STORAGE...................................................... F

5-Fluoroorotic Acid

Synonyms:  FOA, 5-Fluoroorotate, Fluoroorotic Acid, Pyrimidinecarboxylic acid, 5-Fluoro-1,2,3,6-Tetrahydro-2,6-Dioxo, 1,2,3,6-Tetrahydro-2,6-Dioxo-5-Fluoro-4-Pyrimdinecarboxylic Acid.
Description:  White powder.
Applications:  For use in the selection of orotidine-5’-phosphate decarboxylase mutants of Saccharomyces cerevisiae.
Molecular Formula:  C₅H₃FN₂O₄
Molecular Weight:  174.1
CAS #  703-95-7

Melting Range................................ 59.5-60.5°C
Solubility................................................ Slightly
Vapor Density............................................... >1
HAZARD................................................. T,F,H,I
STORAGE...................................................... F

Geneticin G418, Disulfate Salt
(Antibiotic G-418 Sulfate)

Synonyms:  G418 sulfate.
Description:  Lyophilized white powder with a slight ammonia odor.
Applications:  For use as a selective agent in molecular genetics experiments such as mammalian, plant, or yeast cells.
Molecular Formula:  C₂₀H₄₀N₄O₁₀·2H₂SO₄
Molecular Weight:  692.7
CAS #:  108321-42-2

A280 (1mg/ml)....................................< 0.015
A570 (100mg/ml)..................................< 0.10
Potency..................................................... >650
Specific rotation....................... +104° to  +121°
Form..................................................... Powder
HAZARD......................................................... H
STORAGE..................................................... C

Gentamycin Sulfate USP Grade

Synonyms:  Gentamicin Sulfate.
Description:  White powder.
Applications:  For use in molecular biology applications.
Molecular Formula:  NA
Molecular Weight:  NA
CAS #:  1405-41-0

potency............................590 mg/mg geneticin
pH (4.0%, H₂O @ 25°C)............................3.5-5.5
identification....................................per USP test
specific rotation (@25°C)............+107° to +121°
loss on drying..............................................18.0%
residue after ignition....................................1.0%

Content of Gentamycin :

C1.................................................. 25% to 50%
C1A................................................ 10% to 35%
C2+C2A......................................... 25% to 55%
HAZARD......................................................... H
STORAGE.......................................................C

Gentamycin Solution, 10mg/ml

Synonyms:  Gentamicin Sulfate.
Description:  Clear, colorless, sterile solution,
10mg/ml gentamycin.
Applications:  For use in bacteria and cell culture media.
Molecular Formula:  NA
Molecular Weight:  NA
CAS #:  1405-41-0

HAZARD......................................................... H
STORAGE...................................................... F

IPTG Ultra Pure Grade

Synonyms:  Isopropyl b-D-thiogalactoside.
Description:  White crystalline powder.
Applications:  Used in combination with X-gal to detect b-galactosidase activity with the blue/white color assay.
Molecular Formula:  C₉H₁₈O₅S
Molecular Weight:   238.31
CAS #:  367-93-1

Purity.................................................... >99.0%
Specific rotation........................ -28.5° to -31.5°
Melting range................................. 110 - 112°C
Dioxane..................................... None Detected
HAZARD.......................................................... I
STORAGE...................................................... F