YISHENG MAOLIAN — SOURCING BRIEF Vitamin D3 Powder SOURCE-LISTING SUMMARY, NOT A COA, TDS, APPROVAL OR BINDING QUOTATION. Review status: technical and business confirmation pending. Website: https://ymingredients.com/products/vitamin-d3-powder/ Source checked: 2026-10-24 MATERIAL-REVIEW REFERENCES Specification wording: 100,000 iu/g Source CAS wording: 67-97-0 CAS entries need their relationship to the complete offered material confirmed; they do not establish the identity of an extract or carrier system. Source form wording: Powder Source method label: HPLC; request the actual procedure, reporting basis and lot relationship. LISTED TECHNICAL FIELDS Source labels are retained for review. An ingredient label is not an approved analyte definition; a method label is not a complete analytical protocol. Type: Vitamins Dosage Form: Powder Shelf-Life: 24months Place of Origin: Shaanxi, China Product Specification: 100,000 IU/g — activity wording; confirm its definition, method and reporting basis. Storage Method: Cool and dry CAS NO.: 67-97-0 Other name: Cholecalciferol Specification: 100,000 iu/g — activity wording; confirm its definition, method and reporting basis. Appearance: White Crystalline Powder Test method: HPLC Sample: 10~20g — source listing only; availability, quantity, cost and delivery require confirmation. Shelf life: 2 years SUPPLIER DETAIL TABLE — CHECKED 2026-10-25; NOT A LOT RESULT Molecular formula: C27H44O OPEN QUESTIONS Request the current written specification and confirm its relationship to the offered lot. MATERIAL-SPECIFIC BUYER REVIEW Purchasing questions and source interpretation; not additional approved specifications. How should the 100,000 iu/g statement be specified? Keep that source-listed activity unit in the requirement and request the assay definition, method and reporting basis. This page does not convert it into a mass-purity percentage. What composition details should accompany the activity statement? Request the actual ingredient and carrier composition, offered physical form and applicable lot records. The activity statement alone does not describe every component in the powder. DOCUMENT REQUEST (AVAILABILITY NOT ASSUMED) Current specification and complete composition Representative COA and analytical methods, with lot relationship Relevant safety and application records for the intended use SOURCE-LISTING COMMERCIAL REFERENCES These listing references are not an approved current offer. Confirm the actual quantity, unit, packaging and delivery terms in writing. Source-listed MOQ: 1 kilograms Delivery schedule: request confirmation for the selected grade, quantity, documents and destination. YOUR COMMERCIAL BRIEF Target grade / method: __________________ Intended application / destination: __________________ Sample or purchase quantity and unit: __________________ Packaging / delivery deadline: __________________ SOURCE LISTINGS https://www.alibaba.com/product-detail/Wellgreen-Main-Export-Product-Supplement-Use_1600369178320.html CONTACT Xi'an Yisheng Maolian E-Commerce Co.,Ltd 西安翊昇贸联电商有限公司 Room 1403, T162, Tower A, Huixin Center, No. 1 Zhangba 1st Road, High-tech Zone, Xi'an, Shaanxi, China 陕西省西安市高新区丈八一路1号汇鑫中心-A座1403室T162 sales@ymingredients.com +86 18135720426 Representative images do not establish identity, composition, purity or actual batch appearance.