CAS 645-48-7 appears in our catalog under these names: 1–Phenyl–3–thiosemicarbazide, 2-Phenylhydrazinecarbothioamide, 1-Phenyl-3-thiosemicarbazide, >98.0%(HPLC)(T), (pHenylamino)thiourea, 98%+(LC-MS),RG. Offered by: GLPBio, Biosynth, TCI, Fluorochem. Available pack sizes: 5g, 10g, 1g, 25g.