Vitamin B2 (CAS 83-88-5) — formula C17H20N4O6, molecular weight 376.14 g/mol; category food additives.
Vitamin B2 is a food-grade compound with CAS registry number 83-88-5 and molecular formula C17H20N4O6 (molecular weight 376.14 g/mol), belonging to the food additives segment of chemical raw materials.
CAS number: 83-88-5
Its molecular formula C17H20N4O6 comprises 17 C, 20 H, 4 N, 6 O atoms.
Also known as: Vitamin B2 · Riboflavin
Category: food additives
The CAS registry number of Vitamin B2 is 83-88-5.
Molecular formula C17H20N4O6, molecular weight 376.14 g/mol.
It is also registered under: Vitamin B2, Riboflavin.
Category: Nutrition Enhancers.
Public-database records for Vitamin B2 (CAS 83-88-5), reproduced here for independent cross-checking.
| GHS 通报统计 | 98.4% (122 / 124) |
|---|
| 法规与食品接触 | FDA Regulatory Status of Color Additives: Foods FDA Substance added to food: COLOR OR COLORING ADJUNCT, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, NUTRIEN COLOUR: Food Additives COLOR OR COLORING ADJUNCT, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, NUTRIENT SUPPLEMENT JECFA 为核黄素、核黄素-5'-磷酸、来自 B 的核黄素建立了一组 ADI（未指定） TRS 1037-JECFA 92/28 |
|---|---|
| GHS 通报统计 | 98.4% (122 / 124) |
| 熔点 | 280 |
|---|---|
| 熔点 | 280 °C (decomposes) |
| 熔点 | 290 °C |
| 溶解度 | 84.7 |
| 溶解度 | 0.0847 mg/mL |
| LogP | -1.46 |
| LogP | log Kow = -1.46 |
| LogP | -0.55 |
| Decomposition | 280 °C |
| Dissociation Constants | 10.2 |
| CAS 号 | 83-88-5 |
|---|---|
| PubChem CID | 493570 |
| 分子式 | C17H20N4O6 |
| 分子量 | 376.14 g/mol |
| IUPAC 名称 | 7,8-dimethyl-10-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]benzo[g]pteridine-2,4-dione |
| InChIKey | AUNGANRZJHBGPY-SCRDCRAPSA-N |
| UNII（FDA） | TLM2976OFR |
| ChEBI 编号 | CHEBI:17015 |
| ATC 编码（WHO） | A11HA04 |
riboflavin; vitamin B2; 83-88-5; Riboflavine; Lactoflavin; Vitamin G; Lactoflavine; Flavaxin; Beflavine; Beflavin; Riboderm; Ribipca; Ribovel; Lactobene; Ribocrisina; Riboflavina
| 分子量 | 376.4 |
|---|---|
| XLogP3 | -1.5 |
| 氢键供体数 | 5 |
| 氢键受体数 | 7 |
| 可旋转键数 | 5 |
| 精确质量 | 376.13828437 |
| 单同位素质量 | 376.13828437 |
| 拓扑极性表面积 | 155 |
| 重原子数 | 27 |
| 形式电荷 | 0 |
核黄素 的 CAS 号为 83-88-5，分子式 C17H20N4O6，分子量 376.14 g/mol。 UNII TLM2976OFR; ChEBI 17015; InChIKey AUNGANRZJHBGPY-SCRDCRAPSA-N. 熔点: 280; 熔点: 280 °C (decomposes); 熔点: 290 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
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