Labeled Bioactive Compounds - Isotec Stable Isotopes

C

13

15

N

ISOTEC Stable Isotopes ®

Labeled Bioactive Compounds Whether you are developing analytical methods or performing routine testing, our 13C, 15N and deuterium labeled bioactive compounds are reliable internal standards for your most demanding applications. Our products have the highest isotopic enrichments available for precise and accurate quantitation. We offer a wide range of compounds including steroids, hormones, vitamins and various metabolites. In addition, we now provide 13C and 15N labeled melamine and related products. These materials can facilitate research and method development and are reliable standards for mass spectrometric detection of these potential impurities. Cat. No.

Product Description

Isotopic Purity

Cat. No.

Product Description

Isotopic Purity

706035

Aldosterone-2,2,4,6,6,17-d6 (variable deuteration on C21)

98 atom % D

605883

Cholic acid-24- C

99 atom % 13C

696927

Ammelide-13C3

Clenbuterol-d9 (t-butyl-d9)

98 atom % D

708984

99 atom % 13C

705586

98 atom % D

709263

Ammeline-13C3

Cortisone-2,2,4,6,6,12,12-d7

687820

7-Azaindole-1- N

Cyanuric acid-13C3

99 atom % 13C

699411

98 atom % 15N

685119

Deoxycholic acid -24-13C

99 atom % 13C

699330

7-Azaindole-15N1 (pyridine-15N)

98 atom % 15N

614130

Azelaic acid -13C9

Deoxycholic acid-2,2,4,4-d4

98 atom % D

691763

99 atom % 13C

710784

Barbituric acid -13C4, 15N3

11-Deoxycortisol-2,2,4,6,6 -d5

98 atom % D

705101

99 atom % 13C 98 atom % 15N

99 atom % 13C 15

705268

Biotin-d2 (ring-6,6-d2)

98 atom % D

706337

Caffeic acid-13C9

99 atom % 13C

588598

Caffeine-3-methyl-13C

99 atom % 13C

485365

Caffeine-trimethyl-13C3

99 atom % 13C

614122

Chenodeoxycholic acid-2,2,4,4-d4

98 atom % D

696935

Chlorpromazine-d6 (dimethyl-d6)

98 atom % D

701726

Chlorzoxazone-2-13C,18O (hydroxy-18O)

99 atom % 13C 95 atom % 18O

707678

Cholesterol-25,26,27-13C3

99 atom % 13C

488577

Cholesterol-2,2,3,4,4,6-d6

97 atom % D

677574

Cholesterol-25,26,26,26,27,27,27-d7

99 atom % D

679046

Cholesterol-26,26,26,27,27,27-d6

488585

Cholesterol-3,4- C2

99 atom % 13C

605875

Cholesterol-4-13C

99 atom % 13C

614149

Cholic acid-2,2,4,4-d4

98 atom % D

614106

Cholic acid-2,2,3,4,4-d5

98 atom % D

13

98 atom % D

13

705942

1a,25-Dihydroxyvitamin D3 (6,19,19-d3)

97 atom % D

705640

1,7-Dimethyluric acid-13C4, 15N3

99 atom % 13C 98 atom % 15N

705373

1,7-Dimethylxanthine-d6(dimethyl-d6)

98 atom % D

705357

3,7-Dimethylxanthine-d6(dimethyl-d6)

98 atom % D

491187

17b-Estradiol-16,16,17-d3

98 atom % D

613967

17b-Estradiol-2,4,16,16,17-d5

97 atom % D

489204

Estrone-2,4,16,16-d4

95 atom % D

524956

Estrone-2,4,16,16-d4 3-sulfate, sodium salt

95 atom % D

710792

18-Hydroxycorticosterone- 9,11,12,12 -d4

98 atom % D

614157

Hydrocortisone-1a,2a-d2

98 atom % D

705594

Hydrocortisone-9,11,12,12-d4

98 atom % D

705497

25-Hydroxyvitamin D2 (6,19,19-d3)

97 atom % D

705888

25-Hydroxyvitamin D3 (6,19,19-d3)

97 atom % D

709557

3-Iodothyronamine-d4(ethylamino-1,1,2,2d4) hydrochloride

98 atom % D

589292

Lithocholic acid-11,12-d2

97 atom % D

614033

Lithocholic acid-2,2,3,4,4-d5

98 atom % D

For a full listing of these products, visit sigma-aldrich.com/sibio

C

13

15

N

ISOTEC® Stable Isotopes Cat. No.

Product Description

Isotopic Purity

Cat. No.

Product Description

Isotopic Purity

589349

Lithocholic acid-2,2,4,4-d4

98 atom % D

709891

Spermidine-d8 (butane-d8) trihydrochoride

98 atom % D

707228

Melamine- C3

99 atom % C

705330

Spermine -d8 (butane-d8) tetrahydrochloride

98 atom % D

592889

Melamine-triamine-15N3

min.80 atom % 15 N(triamine) max.20 atom % 15 N(triazine)

705683

Testosterone-2,2,4,6,6-d5

98 atom % D

705675

Testosterone-2,3,4- C3

99 atom % 13C

699594

L-Thyroxine-13C12 (ring-13C12)

99 atom % 13C

13

13

13

705829

2-Methoxy- C,d3-estradiol

99 atom % 13C 98 atom % D

709719

3,3',5'-Triiodothyronine-13C6 (diiodophenyl13 C6)

99 atom % 13C

705713

4-Methoxy-13C,d3-estradiol

99 atom % 13C 98 atom % D

709611

3,3',5-Triiodothyronine-13C6 (tyrosine-13C6)

99 atom % 13C

705667

1,3,7-Trimethyluric acid - C4 , N3 (2,4,5,613 C4 ,1,3,9-15N3)

99 atom % 13C 98 atom % 15N

13

13

15

705705

2-Methoxy-13C,d3-estrone

99 atom % 13C 98 atom % D

709638

cis-Urocanic acid-1,2,3-13C3

99 atom % 13C

705691

4-Methoxy-13C,d3-estrone

99 atom % 13C 98 atom % D

705837

Vitamin B5 (di-β-alanine-13C6, 15N2 ), calcium salt

99 atom % 13C 98 atom % 15N

705608

1-Methyluric acid-13C4, 15N3

99 atom % 13C 98 atom % 15N

705489

Vitamin D2 (6,19,19-d3)

97 atom % D

705861

Vitamin D3 (6,19,19-d3)

97 atom % D

615366

Vitamin E acetate (trimethyl-d9)

98 atom % D

705470

Vitamin K-d7 (5,6,7,8-d4, 2-methyl-d3)

98 atom % D

705616

3-Methyluric acid-13C4, 15N3

705209

1-Methylxanthine - C, d3 (methyl- C, d3)

99 atom % C 98 atom % D

705217

3-Methylxanthine -13C4,15N3 (2,4,5,6-13C4, 1,3,9-15N3)

99 atom % 13C 98 atom % 15N

702250

3-Methyl-13C-glutaconic acid-2,4-13C2

99 atom % 13C

696951

Metronidazole-d4 (ethylene-d4)

98 atom % D

704385

4-Nitrophenyl-13C6 hydrazine

99 atom % 13C

652296

3-Nitro-L-tyrosine-13C9

98 atom % 13C

Stable Isotopes Technical Service

705802

Probucol -13C3 (propanyl-13C3)

99 atom % 13C

Phone:

705187

Pyridoxal- d3 (methyl-d3) hydrochloride

98 atom % D

705322

Pyridoxamine -d3 (methyl-d3) dihydrochloride

98 atom % D

705292

Riboflavin-13C4, 15N2 (dioxopyrimidine-13C4, 15 N2)

99 atom% 13C 98 atom % 15N

13

99 atom % 13C 98 atom % 15N 13

13

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