Metal Isotopes

As Standards for Air and Water Pollution

Hazardous air pollutants are those known to cause cancer and other serious health impacts.  The EPA regulates the toxic air pollutants. Some examples of these toxic air pollutants include benzene, found in gasoline; perchloroethylene, emitted from some dry-cleaning facilities; and methylene chloride, used as a solvent and paint stripper by a number of industries. Zinc, Pb, and Cu metal isotopes were documented in air and climate studies.

Contaminants in groundwater are also measured with metal standards. As groundwater flows through the ground, metals such as iron and manganese are dissolved and may later be found in high concentrations in the water. Industrial discharges, urban activities, agriculture, and disposal of waste all can affect groundwater quality.  Sulfur-34 in water is one metal used to determine environmental difference is lake and ocean waters.

As Standards for Medical Research

Today human metabolic studies most commonly use the stable isotopes of Zinc, Magnesium, Iron and Calcium.  Medical Isotopes, Inc. offers a variety of isotopically enriched metals for scientific research use.

For example, iron-57 is widely used in Moessbauer Spectroscopy to determine the oxidation state of iron in protein complexes.  Magnesium-25 is used in to study the absorption and excretion of magnesium in metabolic studies.  The six stable isotopes of Calcium, Ca-42, Ca-44, Ca-46 and Ca-48) are used extensively in clinical research and in nutritional studies to measure calcium absorption mainly in children, and women where calcium deficiency is strongly related to increasing severity of osteoporosis.


Sulfur and Selenium Compounds

Catalog No. Product Name Enrichment
Quantity Price
67871 tert-Amylthiol
1 g $625   Add to Cart
10 g $2,000   Add to Cart
6903 Apafant
Synonyms:
4-[3-[4-(2-Chlorophenyl)-9-methyl-6H-thieno[3,2-f][1,2,4] triazolo[4,3-α][1,4]diazepin-2-yl]-1-oxopropyl]-morpholine; WEB 2086BS; WEB 2086;
5 mg $875   Add to Cart
25 mg $2,000   Add to Cart
67980 4-Azido-1-methanesulfonate-1-butanol
50 mg $640   Add to Cart
500 mg $2,120   Add to Cart
67981 (R)-1-Azido-4-(methylsulfinyl)-butane
25 mg $675   Add to Cart
250 mg $2,400   Add to Cart
68289 2-Bromo-3-methylthiophene
5 g $550   Add to Cart
25 g $595   Add to Cart
100 g $625   Add to Cart
250 g $750   Add to Cart
68326 (3-Bromopropoxy)-tert-butyldimethylsilane
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68460 Butyl Potassium Sulfate
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D68461 Butyl Potassium Sulfate-d9
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68458 Butyl Sodium Sulfate
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D68459 Butyl Sodium Sulfate-d9
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68567 trans-Cevimeline HCl
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68591 2-(Chloroacetyl)thiophene (>85%)
2.5 g $640   Add to Cart
25 g $2,120   Add to Cart
68667 2-Chloroethyl Isothiocyanate
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D3220 2-Chloroethyl-d4 Methyl Sulfide 98%D
0.1 g $495   Add to Cart
D3394 4-Chlorothiobenzamide-2,3,5,6-d4 98%D
0.25 g $895   Add to Cart
0.5 g $1,600   Add to Cart
68843 Cobalt(II) Thiocyanate
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68872 CPI-203
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69304 Diallyl Disulphide (Technical grade, >80%)
1 g $610   Add to Cart
25 g $925   Add to Cart
D69305 Diallyl Disulphide-d10
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69354 Dibutylboryl Trifluoromethanesulfonate Solution
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69469 Diethyl Disulfide
5 g $610   Add to Cart
25 g $625   Add to Cart
100 g $675   Add to Cart
250 g $800   Add to Cart
69560 2,2-Difluoroethyl Triflate
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69756 S,S’’-Dimethyl Dithiocarbonate
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69801 Dimethyl Sulfone
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70646 3a-Hydroxy-1,1-dimethyl-5[[(methylamino)sulfonyl]methyl]-1,2,3,3a ,8,8a-hexahydropyrrolo[2,3-β]indol-1-ium Trifluoroacetate
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D70647 3a-Hydroxy-1,1-dimethyl-5[[(methylamino)sulfonyl]methyl]-1,2,3,3a ,8,8a-hexahydropyrrolo[2,3-β]indol-1-ium Trifluoroacetate-d -6
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69851 2-(1,3,5-Dithiazinan-5-yl)ethanol
100 mg $610   Add to Cart
500 mg $775   Add to Cart
5 g $3,475   Add to Cart
69985 1,2-Ethanedisulfonic Acid Diethyl Ester
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69984 1,2-Ethanedisulfonic Acid Dihydrate
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70144 Ethyl Methanesulfonate
10 g $575   Add to Cart
25 g $650   Add to Cart
100 g $950   Add to Cart
69995 Ethyl(3-iodopropyl)selane
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D69996 Ethyl(3-iodopropyl)selane-d5
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70492 1-Hexanesulfonic Acid Sodium Salt
10 g $565   Add to Cart
25 g $585   Add to Cart
100 g $725   Add to Cart
250 g $925   Add to Cart
70902 Indium(III) Trifluoromethanesulfonate
10 g $610   Add to Cart
50 g $775   Add to Cart
70995 Isopropyl Methanesulfonate
1 g $565   Add to Cart
5 g $760   Add to Cart
25 g $920   Add to Cart
100 g $1,130   Add to Cart
70975 Isopropylaminosulfonic Acid
250 mg $625   Add to Cart
1 g $875   Add to Cart
5 g $2,325   Add to Cart
71204 2-Mercaptopyridine N-Oxide Sodium Salt
2.5 g $610   Add to Cart
10 g $625   Add to Cart
25 g $650   Add to Cart
100 g $800   Add to Cart
71236 Methanesulfonamide
10 g $550   Add to Cart
50 g $625   Add to Cart
100 g $725   Add to Cart
71211 Methanesulfonic Acid
100 ml $610   Add to Cart
250 ml $625   Add to Cart
500 ml $725   Add to Cart
96701 Methanesulfonic Anhydride
Synonyms:
Mesyl Anhydride; Methanesulfonyl Anhydride; NSC 65906;
1 g $345   Add to Cart
5 g $350   Add to Cart
D71583 4-(Methyl-d3-thio)-phenol
10 mg $640   Add to Cart
100 mg $2,120   Add to Cart
71598 3-Methyl-2-thiophenecarboxaldehyde
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71475 2-Methylmercaptoethanol
1 g $600   Add to Cart
10 g $650   Add to Cart
50 g $790   Add to Cart
71560 5-(Methylthio)thiophene-2-carboxylic Acid
250 mg $575   Add to Cart
1 g $675   Add to Cart
5 g $1,175   Add to Cart
71619 Monobutyl Sulfate
500 mg $650   Add to Cart
5 g $2,200   Add to Cart
D71620 Monobutyl Sulfate-d9
2.5 mg $650   Add to Cart
25 mg $2,200   Add to Cart
71973 PF-3758309
10 mg $610   Add to Cart
50 mg $775   Add to Cart
250 mg $2,050   Add to Cart
72030 Phosphorus Pentasulfide
2.5 g $610   Add to Cart
10 g $625   Add to Cart
25 g $640   Add to Cart
72086 PP1-24
25 mg $650   Add to Cart
250 mg $2,200   Add to Cart
72315 Selenium(IV) Oxide
10 g $610   Add to Cart
50 g $625   Add to Cart
100 g $650   Add to Cart
250 g $675   Add to Cart
72330 SIB 1553A Hyrdrochloride
10 mg $630   Add to Cart
50 mg $1,125   Add to Cart
100 mg $2,125   Add to Cart
72370 Sodium Hydroxymethanesulfinate
10 g $610   Add to Cart
25 g $625   Add to Cart
50 g $635   Add to Cart
100 g $650   Add to Cart
72386 Sodium Selenite Pentahydrate
10 g $610   Add to Cart
50 g $625   Add to Cart
100 g $675   Add to Cart
250 g $850   Add to Cart
72455 Sulfur trioxide N,N-dimethylformamide Complex
1 g $600   Add to Cart
10 g $690   Add to Cart
72456 Sulfur Trioxide Trimethylamine Complex
1 g $610   Add to Cart
10 g $640   Add to Cart
50 g $690   Add to Cart
72617 2,2,2’’,2’’-Tetramethoxyethyl Disulfide
1 g $650   Add to Cart
10 g $2,200   Add to Cart
D2578 Thiobenzamide-2,3,4,5,6-d5 98%D
0.25 g $805   Add to Cart
0.5 g $1,450   Add to Cart
13808 Thionaphthenquinone
1 g $860   Add to Cart
5 g $1,880   Add to Cart
72644 3-Thiophenecarboxylic Acid
2.5 g $610   Add to Cart
5 g $650   Add to Cart
25 g $750   Add to Cart
11540 2-Thiosalicylic Acid
Synonyms:
2-Mercaptobenzoic Acid;
10 g $820   Add to Cart
50 g $1,560   Add to Cart
D18810 2-Thiosalicylic Acid-d4
Synonyms:
2-Mercaptobenzoic Acid-d4;
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72803 Trifluoromethanesulfonic Acid Methyl Ester
1 g $610   Add to Cart
10 g $640   Add to Cart
50 g $765   Add to Cart
72901 Trimethylsulfonium Hydroxide
1 g $610   Add to Cart
10 g $975   Add to Cart
73033 Zineb
10 g $610   Add to Cart
25 g $675   Add to Cart
100 g $1,025   Add to Cart

Iridium

Catalog No. Product Name Enrichment
Quantity Price
3450 Iridium-191 Pellets [Cylinders]
100 cyls    Request Quote
2018 Natural [non-isotopic] Iridium Cylinders [Pellets]
100 cyls    Request Quote