Cat.No.KY114864 Name2-Phenylbenzimidazole-5-sulfonic acid CAS27503-81-7 MolFormula C13H10N2O3S MolWeight 274.30 Enquiry Email Name/Company Message KY114864 - 27503-81-7 | 2-Phenylbenzimidazole-5-sulfonic acid Quantity: Captcha Send Message