一水乳糖，CAS 登记号 5989-81-1，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于精细化学品；药用辅料。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
精细化学品；药用辅料
每批随货提供 COA；可按需提供 MSDS 及技术文件。邮件注明产品名称与 CAS 号，一个工作日内回复报价。
本页已列出 一水乳糖 的 CAS 号：5989-81-1，可与随货 COA 核对。
常见纯度为 按批次COA提供(不公开发布)，包装形式为 按订单/批次确认(不公开发布)，特殊规格可在询价时说明。
主要涉及精细化学品；药用辅料。
来信 info@591daili.com 或 WhatsApp 联系，提供产品名称、CAS 号与数量，确认价格与交期后即可安排发货，验收以批次 COA 为准。
Lactose Monohydrate · CAS 5989-81-1 · C12H22O11.H2O. UNII EWQ57Q8I5X.
| CAS Registry Number | 5989-81-1 |
|---|---|
| PubChem CID | 104938 |
| Molecular formula | C12H22O11.H2O |
| IUPAC name | (2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6S)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol;hydrate |
| UNII (FDA) | EWQ57Q8I5X |
| Molecular Weight | 360.31 |
|---|---|
| Hydrogen Bond Donor Count | 9 |
| Hydrogen Bond Acceptor Count | 12 |
| Rotatable Bond Count | 4 |
| Exact Mass | 360.12677620 |
| Monoisotopic Mass | 360.12677620 |
| Topological Polar Surface Area | 191 |
| Heavy Atom Count | 24 |
| Formal Charge | 0 |
| Complexity | 382 |
| GHS notification summary | 100% (63 / 63) |
|---|
| GHS notification summary | 100% (63 / 63) |
|---|
This chemical does not meet GHS hazard criteria for 100% (63 of 63) of all reports.
Reported as not meeting GHS hazard criteria by 63 of 63 companies. For more detailed information, please visit ECHA C&L website.
5989-81-1; alpha-Lactose monohydrate; DTXSID1052828; alpha-D-Glucopyranose, 4-O-beta-D-galactopyranosyl-, monohydrate; RefChem:1076517; DTXCID90820517; 611-913-4; Lactose monohydrate; alpha-D-Lactose monohydrate; D-Lactose monohydrate; 64044-51-5; Respitose; alpha-lactose hydrate; Lactose monohydrate [NF]; EWQ57Q8I5X; a-D-Glucopyranose, 4-O-b-D-galactopyranosyl-, monohydrate
CAS 5989-81-1; molecular formula C12H22O11.H2O; molecular weight — g/mol.
5989-81-1, alpha-Lactose monohydrate, DTXSID1052828, alpha-D-Glucopyranose, 4-O-beta-D-galactopyranosyl-, monohydrate, RefChem:1076517, DTXCID90820517.
100% of GHS notifications report no hazard classification (63 of 63).
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.