Home / Standards / GB/T 21769-2025 GB/T 21769-2025 Active Chemicals-In vitro 3T3 NRU phototoxicity test method 化学品 体外3T3中性红摄取光毒性试验方法 Standard Type GBT ICS 13.300 CCS A80 Status 现行 Issue Date 2025-10-05 Implementation 2026-02-01 Responsible Dept 国家标准委 Drafting Unit N/A