Merck Group API maker Germany Supplies Urea-13c (active ingredient) CEP/COSEDQMFDAUSDMF Products & contact
Nandu Chemicals API maker India Supplies Urea-13c (active ingredient) KDMFUSDMFWHO-GMP Products & contact
Takasugi Pharmaceutical API maker Japan Supplies Urea-13c (active ingredient) CoAJDMF Products & contact
Katwijk Chemie API maker Netherlands Supplies Urea-13c (active ingredient) CEP/COSFDAJDMFKDMFNDCUSDMF Products & contact
Cambridge Isotope Laboratories API maker United States Supplies Urea-13c (active ingredient) FDAUSDMF Products & contact
ISP Sutton Laboratories API maker United States Supplies Urea-13c (active ingredient) FDANDC Products & contact
SAFC API maker United States Supplies Urea-13c (active ingredient) CEP/COSFDAJDMFUSDMF Products & contact
Sigma Pharmaceuticals Finished-dose maker United States Makes [Urea-13C], 1800 g in 1 BOTTLE, PLASTIC sigmapharmaceuticals.com Products & contact
Sigma-Tau Pharmaceuticals Finished-dose maker Makes [Urea-13C], 1800 g in 1 BOTTLE, PLASTIC Products & contact