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BioSciences - Polysciences, Inc.

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238<br />

Stable Isotope Compounds<br />

a-Methyltryptophan Precursor [136057-11-9] .....................................<br />

MW 416.447 C 20 H 20 N 2 O 6 S<br />

Purity: >99%<br />

1-Methyluric Acid-[13C4,15N3] [1173022-91-7; Unlabeled: 708-79-2] H4af .............<br />

MW 189.448 C 6 H 6 N 4 O 3<br />

Isotopic <strong>Inc</strong>orporation: 99% 13C; 98% 15N<br />

Purity: >98%<br />

3-Methyluric Acid-[13C4,15N3] [1173-19-10-7; Unlabeled: 605-99-2] H4af ..............<br />

MW 189.08771 C 6 H 6 N 4 O 3<br />

Isotopic <strong>Inc</strong>orporation: 99% 13C; 98% 15N<br />

Purity: >98%<br />

7-Methyluric Acid-[13C4,15N3] H4af ...........................................<br />

MW 189.08771 C 6 H 6 N 4 O 3<br />

Isotopic <strong>Inc</strong>orporation: 99% 13C; 98%15N<br />

Purity: >98%<br />

1-Methylxanthine-[13C,2N3] [1202865-49-3; Unlabeled: 6136-37-4] ....................<br />

MW 170.14861 C 6 H 6 N 4 O 2<br />

Isotopic <strong>Inc</strong>orporation: 99% 13C; 98% 2H<br />

Purity: >97%<br />

1-Methylxanthine-[13C4,15N3] [1173018-69-3; Unlabeled: 6163-37-4] ..................<br />

MW 173.0883 C 6 H 6 N 4 O 2<br />

Isotopic <strong>Inc</strong>orporation: 99% 13C; 98% 15N<br />

Purity: >98%<br />

3-Methylxanthine-[13C4,15N3] [1173018-93-3; Unlabeled: 1-76-22-8] ..................<br />

MW 173.0883 C 6 H 6 N 4 O 2<br />

Isotopic <strong>Inc</strong>orporation: 99% 13C; 98% 15N<br />

Purity: >98%<br />

For more information please call (800) 523-2575 or visit: polysciences.com<br />

Catalog Size<br />

25271-50 5x10 mg<br />

25271-100 10x10 mg<br />

25272-2 2 mg<br />

25272-5 5 mg<br />

25273-2 2 mg<br />

25273-5 5 mg<br />

25274-2 2 mg<br />

25274-5 5 mg<br />

25276-1 1 mg<br />

25276-5 5 mg<br />

25275-2 2 mg<br />

25275-5 5 mg<br />

25277-2 2 mg<br />

25277-5 5 mg

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