Catalog Product Name CAS Number Inquiry
BLP-009243 DL-Leucine-[2-13C,15N] 81387-51-1 Inquiry
BLP-009806 L-Asparagine-[15N2] 748757-99-5 Inquiry
BLP-011194 Imidazole-[15N2] 74362-46-2 Inquiry
BLP-009791 Glycine-[15N] 7299-33-4 Inquiry
BLP-009756 DL-Alanine-[15N] 71261-64-8 Inquiry
BLP-013587 3-Hydroxykynurenine-[13C3,15N] 2267306-16-9 Inquiry
BLP-001626 Urea-[13C,15N2] 58069-83-3 Inquiry
BLP-009782 DL-Tyrosine-[15N] 35693-13-1 Inquiry
BLP-011475 Fmoc-Asn(Trt)-OH-[U-13C4,U-15N2] 1217456-18-2 Inquiry
BLP-011474 L-Thyroxine-[13C9,15N] Trifluoroacetic Acid 1435972-68-1 Inquiry
BLP-009802 L-Asparagine-[amine-15N] monohydrate 287484-30-4 Inquiry
BLP-009835 L-Serine-[2-13C,15N] 285977-90-4 Inquiry
BLP-009304 L-alanine-[2-13C,15N] 285977-86-8 Inquiry
BLP-009730 DL-Lysine-[2-15N] dihydrochloride 2747-89-9 Inquiry
BLP-009739 L-Lysine-[2−15N] dihydrochloride 204451-50-3 Inquiry
BLP-009820 L-Glutamine-[15N2] 204451-48-9 Inquiry
BLP-009096 Fmoc-Arg(Pbf)-OH-[13C6,15N4] 1217461-89-6 Inquiry
BLP-011682 SCA-[13C,15N2] hydrochloride 1173020-16-0 Inquiry
BLP-009500 Fmoc-L-Trp(Boc)-OH-[13C11,15N2] 1325307-52-5 Inquiry
BLP-008640 Sulfoxaflor-[2-methyl-13C,d3,Cyanamide-15N2,13C] 2483829-27-0 Inquiry

BOC Sciences is committed to providing customers with high-quality and stable isotope nitrogen-15 labeled peptides, amino acids, nucleic acids, steroids, APIs, impurities, inhibitors, metabolites, carbohydrates, polymers, fatty acids and lipids, as well as other products.


Nitrogen is an important life element that affects the metabolism of organisms and is widely distributed in nature. There are two natural isotopes of nitrogen, nitrogen-14 (14N) and nitrogen-15 (15N). Nitrogen-14 is the most common nitrogen isotope (non-radioactive) and makes up 99% of natural nitrogen. Nitrogen-15 is a rare nitrogen stable isotope (non-radioactive). In addition, because all radioisotopes of nitrogen have short half-lives, the longest-lived nitrogen-13 has a half-life of only a few minutes. Thus, there is no suitable radioisotope for nitrogen as a tracer atom. The stable isotope nitrogen-15 has stable performance, and its content can be accurately detected by mass spectrometry and emission spectroscopy. Therefore, nitrogen-15 can be used as a tracer atom of nitrogen compounds and has been widely used in many fields such as agriculture, biomedicine, environmental science, etc.

Nitrogen-15 labeled compounds

Nitrogen-15 labeled compound refers to using the stable isotope nitrogen-15 instead of the original nitrogen in the compound. Nitrogen-15 is the only applicable tracer in biomedical experiments. Nitrogen-15 labeled amino acids, peptides, carbohydrates, nucleic acids, lipids, steroids, and other compounds are widely used in medicine, life sciences, environmental sciences, agricultural research and other fields.

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