Biphenyl, 10.0 µg/ml, Cyclohexane, 10ml Back Catalog number: 674051 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 54138 0.10M Sodium Hydroxide (NaOH) Price on request 680942 Oxytetracycline hydrochloride, 10 µg/ml, Methanol Price on request 677540 N-Ethylthiourea, 100mg Price on request