Antibiotics (continued)

IPTG Solution, 100mM

Synonyms:  Isopropyl b-D-thiogalctoside.
Description:  Clear colorless sterile solution of 100mM IPTG.
Applications:  For use in bacteria and cell culture media.
Molecular Formula:  C₉H₁₈O₅S
Molecular Weight:  238.31
CAS #

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

IPTG Solution, 1M

Synonyms:  Isopropyl b-D-thiogalctoside.
Description:  Clear colorless sterile solution of 1M IPTG.
Applications:  For use in bacteria and cell culture media.
Molecular Formula:  C₉H₁₈O₅S
Molecular Weight:  238
CAS #

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

IPTG Animal Free

Synonyms:  Isopropyl-ß-D-thiogalactopyranoside
Description:  White to off-white solid. HYGROSCOPIC. Inducer of ß-D-galactosidase
Applications:  Used in the stimulation of ß-galactosidase in cellular systems in which dioxane would disrupt normal cell function. Contains no animal-derived products.
Molecular Weight:  238.3
CAS # 367-93-1

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

Kanamycin Sulfate USP Solution

Synonyms:  Kanamycin.
Description:  Fine white to off-white powder.
Applications:  Used for the selection of resistant bacteria. 
Molecular Formula:  C₁₈H₃₆N₄O₁₁·H₂SO₄
Molecular Weight:  582.58
CAS #:  25389-94-0

Potency.......................................... >750mg/ml
pH (1%, H₂O)....................................... 6.5 - 8.5
Moisture.................................................. <4.0%
Ash......................................................... <1.0%
Loss on drying......................................... 4.0%
Residue on ignition................................... 1.0%
Chromatographic purity....................... .Passes
HAZARD........................................................... I
STORAGE................................................... RT

Kanamycin Solution, 50mg/ml

Synonyms:  Kanamycin sulfate.
Description:  Sterile solution of 50mg/ml kanamycin. 
Applications:  For use in bacteria and cell culture media.
Molecular Formula:  C₁₈H₃₆N₄O₁₁·H₂SO₄
Molecular Weight:  582.58
CAS #  NA

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

Neomycin Sulfate USP Grade

Synonyms:  Neosulf.
Description:  Amorphous white powder.
Applications:  For cell and tissue culture.
Molecular Formula:  C₂₃H₄₆N₆O₁₃·3H₂SO₄
Molecular Weight:  908.9
CAS #:  1405-10-3

Potency......................................... >600mg/mg
pH (3%, H₂O)....................................... 5.0 - 7.5
Moisture.................................................. <8.0%
Loss on drying.......................................... 8.0%
HAZARD........................................................... I
STORAGE................................................... RT

Streptomycin Sulfate USP Grade

Description:  Fine white powder.
Applications:  For use in bacteria and cell culture.
Molecular Formula:  (C₂₁H₃₉N₇O₁₂)₂·3H₂SO₄
Molecular Weight:  1457.38
CAS #:  3810-74-0

Potency........................................ >650 mg/mg
pH (20% , H₂0 , 25°C)......................... 4.5 - 7.0
Loss on drying........................................ <5.0%
Identification.......................................... Passes
Depressor substances........................ Passes
Pyrogen substances............................ Passes
Safety................................................... Passes
Sterility.................................................. Passes
HAZARD................................................. NONE
STORAGE..................................................... C

Streptomycin Solution, 50mg/ml

Description:  Clear sterile solution of  50mg/ml streptomycin. 
Applications:  For use in bacteria and cell media
Molecular Formula:  (C₂₁H₃₉N₇O₁₂)₂·3H₂SO₄
Molecular Weight:  1457.38
CAS #

HAZARD................................................. NONE
STORAGE..................................................... C

Tetracycline-Hydrochloride USP Grade

Synonyms:  Achromycin V.
Description:  Yellow odorless powder.
Applications:  Used for the selection of resistant bacteria.  Bacteriostatic.
Molecular Formula:  C₂₂H₂₄N₂O₈·HCl
Molecular Weight:  480.90
CAS #:  64-75-5

Potency......................................... >900mg/mg
pH (1% , H2O)..................................... 1.8 - 2.8
Moisture.................................................. <2.0%
4-epianhydrotetracycline........................ <2.0%
Identification.......................................... Passes
HAZARD......................................................... H
STORAGE...................................................... F

Tetracycline Solution, 15mg/ml

Synonyms:  Tetracycline hydrochloride.
Description:  Yellow solution of 15mg/ml tetracycline in 70% Ethanol. 
Applications:  For use in bacteria and cell culture media.
Molecular Formula:  C₂₂H₂₄N₂O₈·HCl
Molecular Weight:  480.90
CAS #: 

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

Trimethoprim USP Grade

Synonyms:  2,4-Diamino-5-[3,4,5-
trimethoxybenzyl]pyrimidine, proloprim, NIH 204.
Description:  White crystalline powder with a faint yellow cast.  Dihydrofolate reductase inhibitor.
Applications:  For use in bacterial and cell culture media.
Molecular Formula:  C₁₄H₁₈N₄O₃
Molecular Weight:   290.3
CAS #:  738-70-5

Purity........................................................ >99.0
Identification.......................................... Passes
Melting Range................................ 199 - 203°C
Loss on Drying................................. max 0.5%
Residue after Ignition........................ max 0.1%
HAZARD....................................................... ST
STORAGE..................................................... C

Trimethoprim Solution, 75mg/ml

Description:  Clear solution of 75mg/ml trimethoprim in dimethylsulfoxide.
Applications:  For use in bacteria and cell culture media.
Molecular Formula:  C₁₄H₁₈N₄O₃
Molecular Weight:  290.3
CAS #

HAZARD....................................................... ST
STORAGE..................................................... C

X-gal, 40mg/ml
(5-Bromo-4-chloro-3-indolyl-b-D-Galactopyrandoside)

Description:  Clear colorless solution of 40mg/ml X-gal in dimethylformamide.
Applications:   Ready to use solution for cloning systems that use b-galactosidase activity as an indicator of nonrecombination.
Molecular Formula:  C₁₄H₁₅BrClNO₆
Molecular Weight:  408.64
CAS #

HAZARD...................................... O, H, SM, SC
STORAGE...................................................... F

X-gal  Ultra Pure Grade
(5-Bromo-4-chloro-3-indolyl b-D-galactopyranoside)

Stock Solutions

Nystatin, 30kU/ml, 100 ml, in methanol