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Streptomycin Sulfate

An antibiotic and selection agent

WARNING: This product can expose you to chemicals including Streptomycin sulfate, which is [are] known to the State of California to cause birth defects or other reproductive harm.  For more information go to
Catalog #: 2517
SKU-Size Size Price Qty
2517-50G 50 g
2517-100G 100 g
2517-500G 500 g
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Product Details

Alternate Name Streptomycin sesquisulfate; Streptomucn A
Appearance White to off-white powder
CAS # 3810-74-0
Molecular Formula (C₂₁H₃₉N₇O₁₂)₂ · 3H₂SO₄
Molecular Weight 1457.4
Purity >700 IU/mg
Solubility H₂O (50 mg/ml)
InChi InChI=1S/2C21H39N7O12.3H2O4S/c2*1-5-21(36,4-30)16(40-17-9(26-2)13(34)10(31)6(3-29)38-17)18(37-5)39-15-8(28-20(24)25)11(32)7(27-19(22)23)12(33)14(15)35;3*1-5(2,3)4/h2*4-18,26,29,31-36H,3H2,1-2H3,(H4,22,23,27)(H4,24,25,28);3*(H2,1,2,3,4)/t2*5-,6-,7+,8-,9-,10-,11+,12-,13-,14+,15+,16-,17-,18-,21+;;;/m00.../s1
PubChem CID 19648
MDL Number MFCD00037023
Handling Protect from air and moisture
Storage Conditions 4°C
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not For Use in Humans.


An aminoglycoside antibiotic useful for inhibition of bacterial protein synthesis at the level of initiation inhibition. Streptomycin sulfate targets primarily Gram positive bacteria and Mycobacterium. Interestingly, streptomycin has been found to be effective against certain β-lactam sensitive VRE or vancomycin resistant Enterococcus. Can be used as a selection agent in several types of isolation media.

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