**Requirements:** 1. Maintain the original format and structure. 2. The translation should be accurate, fluent, and natural. 3. Maintain professionalism and consistency. 4. Only return the translation result; do not add any explanations. **Original Text:** **Overview:** - Chinese name: **精氨酸** - Pinyin: **Jing’ansuan** - English name: **Arginine** - Chemical name: **L-2-amino-5-guanidinopentanoic acid** - CAS number: 74-79-3 - Chemical formula: **C6H14N4O2** - Molecular weight: 174.20 - Structural formula: **Properties:** This product is a white crystal or crystalline powder that is almost odorless but has a distinctive taste. It is readily soluble in water, practically insoluble in ethanol, and almost insoluble in ether; however, it is easily soluble in dilute hydrochloric acid. **Standards:** Complies with the standards of the National Medical Products Administration (NMPA) YBH16362004, referring to the **Pharmacopoeia of the People’s Republic of China** (2020 edition). - Approval number: **Guoyao Zhunzi H20045457** - Registration number with the NMPA Center for Drug Evaluation (CDE): **Y20190005213** **Storage:** Should be stored in a dark place, sealed to protect from light. **Validity period:** Two years. **Product Certification:** - Certified according to Chinese GMP, Japanese PMDA, American FSMA, ISO 9001, ISO 14001, and ISO 45001 standards. **Focus on Value, Exceed Expectations:** We offer customized solutions, from standardization to personalized requirements. We have achieved one-to-one customization of physical properties such as particle size, bulk density, and flowability. **Packaging specifications:** - (7 kg/15 L aluminum drums * 2 drums) / cardboard box - (10 kg/30 L aluminum drums * 1 drum) / cardboard box - Common mesh sizes: 60 mesh, 100 mesh, 150 mesh (customizable) **Product assistant:** Cao Kaidong | 15127119722 (also available on WeChat) As “innovation” becomes the norm, we sincerely invite pharmaceutical manufacturers and research institutions to collaborate in a comprehensive and diversified manner, complementing each other’s strengths to achieve mutual growth. We aim to transform from mere suppliers into partners in value creation.