Previtamin D2 (CAS 21307-05-1) — formula C28H44O, molecular weight 396.6; category food additives.
Previtamin D2 (CAS 21307-05-1) is classified under Food Additives, with molecular formula C28H44O and molecular weight 396.6, and serves as a key raw material in the food and beverage industry — commonly applied as a food additive, nutritional supplement, or processing aid where regulatory-grade purity is required. Jinan Shenghe Chemical Co., Ltd. supplies Previtamin D2 at commercial scale with stable lot-to-lot quality, accompanied by COA and full specification documentation. Typical categorization: Food Additives.
| CAS Number | 21307-05-1 |
|---|---|
| Molecular Formula | C28H44O |
| Molecular Weight | 396.6 |
| LogP | 7.2 |
| Applications | baking, dairy, meat and seasoning as acidity regulators, preservatives, colorants, thickeners |
| Category | Food Additives |
Documented applications: baking, dairy, meat and seasoning as acidity regulators, preservatives, colorants, thickeners.
Previtamin D2 is a food-grade compound with CAS registry number 21307-05-1 and molecular formula C28H44O (molecular weight 396.6), belonging to the food additives segment of chemical raw materials.
CAS number: 21307-05-1
Its molecular formula C28H44O comprises 28 C, 44 H, 1 O atoms.
Also known as: Previtamin D2 · 维生素D2杂质11（普维他明D2）
Category: food additives
The CAS registry number of Previtamin D2 is 21307-05-1.
Molecular formula C28H44O, molecular weight 396.6.
It is also registered under: Previtamin D2, 维生素D2杂质11（普维他明D2）.
Recorded applications: baking, dairy, meat and seasoning as acidity regulators, preservatives, colorants, thickeners.
Category: Food Additives.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Previtamin D2 (CAS 21307-05-1), compiled from public chemistry databases.
| CAS Number | 21307-05-1 |
|---|---|
| PubChem CID | 9547229 |
| Molecular Formula | C28H44O |
| IUPAC Name | (1S)-3-[(Z)-2-[(1R,3aR,7aR)-1-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-7a-methyl-1,2,3,3a,6,7-hexahydroinden-4-yl]ethenyl]-4-methylcyclohex-3-en-1-ol |
| UNII (FDA) | J3JFD8W6Y5 |
| Molecular Weight | 396.6 |
|---|---|
| XLogP3 | 7.2 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 6 |
| Exact Mass | 396.339216023 |
| Monoisotopic Mass | 396.339216023 |
| Topological Polar Surface Area | 20.2 |
| Heavy Atom Count | 29 |
Previtamin D2; Preergocalciferol; J3JFD8W6Y5; 21307-05-1; RefChem:1096614; Provitamin-D2; (6Z,24E)-(3S)-9,10-seco-5(10),6,8,22-ergostatetraen-3-ol; Praergocalciferol; UNII-J3JFD8W6Y5; orb3181835; SCHEMBL29414851; previtamin D2 / preergocalciferol; LMST03010015; Vitamin D2 Impurity 11(Previtamin D2); CS-0111430; 9,10-Secoergosta-5(10),6,8,22-tetraen-3-ol, (3beta,6Z,22E)-
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 维生素D2杂质11（普维他明D2）