![CAS 71989-38-3 Nα-[(9H-Fluoren-9-ylmethoxy)carbonyl]-O-tert-butyl-L-tyrosine molecular structure](https://starshinechemical.com/wp-content/uploads/2022/03/f0506-jpgcontextbwfzdgvyfhjvb3r8mzawmtj8aw1hz2uvanblz3xomtevadq4lzg5mza2nti5nzkymzavrja1mdyuanbnfde3mjk0ztvmzmzmzwrmzgy2zdu0nje0ogi2mjcwzmm4njc0nwq4nti2yjm5zjawzjbln2vjywvizjbhmjcyzmy.jpeg)
CAS RN: 71989-38-3
Nα-[(9H-Fluoren-9-ylmethoxy)carbonyl]-O-tert-butyl-L-tyrosine
Product Availability
Choose a grade to view its available package options.
7 package records6 with current stock3 grade groups
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250412 | 1g / 5g / 25g / 100g / 500g / 2.5kg | Confirm by inquiry | Shanghai, Shandong, Guangdong, Hebei | Inquiry |
| Batch No. | Package | Availability | Warehouse | Lead Time | Inquiry |
|---|---|---|---|---|---|
| Batchno.20250520 | 100g / 500g / 2.5kg | Out of stock | 8-10 business days | Inquiry |
- Product code: SSC-181507
Verified Factory Data
Supply Overview & Packaging Options
Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.
- Pack sizes on record: 5g, 10g, 25g, 100g, 1000g, 500g
- Available purity: >98%
- Inventory rows with stock: 6
- Bulk packaging: confirmed by inquiry
Available Pack Sizes & Stock
Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.
| Pack Size | Recorded Purity | Available Qty | Ship From | Inquiry |
|---|---|---|---|---|
| 5g | >98% | 5 In Stock | Shanghai | Inquiry |
| 10g | >98% | 5 In Stock | Beijing | Inquiry |
| 25g | >98% | 5 In Stock | Shenzhen | Inquiry |
| 100g | >98% | 5 In Stock | Hong Kong | Inquiry |
| 1000g | >98% | 5 In Stock | Shanghai | Inquiry |
| 500g | >98% | 3 In Stock | Shenzhen | Inquiry |
71989-38-3 / 2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[4-[(2-methylpropan-2-yl)oxy]phenyl]propanoic acid
Basic Information
CAS
71989-38-3
Multi CAS
Yes
Molecular Formula
C28H29NO5
Molecular Weight
459.500000
Exact Mass
459.204573
InChI
InChI=1S/C28H29NO5/c1-28(2,3)34-19-14-12-18(13-15-19)16-25(26(30)31)29-27(32)33-17-24-22-10-6-4-8-20(22)21-9-5-7-11-23(21)24/h4-15,24-25H,16-17H2,1-3H3,(H,29,32)(H,30,31)/t25-/m0/s1
InChIKey
JAUKCFULLJFBFN-VWLOTQADSA-N
Computed Properties
Structural Parameters
Heavy atom count
34
Aromatic heavy atom count
18
Fraction Csp3
0.29
Rotatable bonds
7
H-bond acceptors
4
H-bond donors
2
Molar refractivity
130.16
TPSA
84.86
LogP / Solubility
WLOGP
5.4
MLOGP
4.78
XLogP3
5.6
Consensus LogP
5.26
Log S (ESOL)
-6.02
Class (ESOL)
Insoluble
Log S (Ali)
-7.23
Class (Ali)
Insoluble
Log S (SILICOS-IT)
-7.97
Class (SILICOS-IT)
Insoluble
ADME
GI absorption
High
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
Yes
CYP2C19 inhibitor
Yes
CYP2C9 inhibitor
No
CYP2D6 inhibitor
Yes
CYP3A4 inhibitor
Yes
Log Kp (skin permeation)
-1.69
Drug-likeness / Medicinal Chemistry
Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
3.5
Applications of CAS 71989-38-3
This compound is commonly used in pharmaceutical research and drug discovery, life science and biochemical research, biochemistry and reagent applications, laboratory reagent and synthesis applications, general chemistry research and laboratory applications. Starshine Chemical supplies CAS 71989-38-3 for R&D and pilot-scale use, with flexible pack sizes and purity grades available.
Physical & Chemical Properties
| IUPAC Name | (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[4-[(2-methylpropan-2-yl)oxy]phenyl]propanoic acid |
Safety Information (GHS)
Pictogram(s): GHS07. Signal word: Warning.
- H302 (11.1%): Harmful if swallowed [Warning Acute toxicity, oral]
- H312 (11.1%): Harmful in contact with skin [Warning Acute toxicity, dermal]
- H315 (33.3%): Causes skin irritation [Warning Skin corrosion/irritation]
- H319 (55.6%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H332 (11.1%): Harmful if inhaled [Warning Acute toxicity, inhalation]
- H335 (44.4%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Precautionary statements: P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Request the SDS (Safety Data Sheet) for full hazard and safety documentation.
Storage & Handling
Storage: Keep the container tightly closed in a cool, dry and well-ventilated place. Avoid: Heat Sensitive. For detailed hazard, storage and transport information, request the SDS (Safety Data Sheet) with your inquiry.
Quotation & Packaging
Prices are confirmed by inquiry. Request a quote for current pricing, minimum order quantity (MOQ) and lead time. The pack sizes listed on this page are reference options; custom pack sizes and bulk quantities are available on request.
Quality & Compliance
Specifications and purity shown on this page are based on batch records. A Certificate of Analysis (COA) is available on request. For research and further manufacturing use only — not for direct human or therapeutic use.
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