Home > Organosulfur Compounds> (2R)-3-(tert-butyldisulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid

(2R)-3-(tert-butyldisulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid

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Origin: China

Cas No: 73724-43-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details
CAS No.:
73724-43-3
MF:
73724-43-3
EINECS No.:
73724-43-3
Place of Origin:
China
Type:
Pharmaceutical Intermediates
Purity:
0.99
Brand Name:
Leji
Model Number:
CAS No. 73724-43-3
Application:
Pharmaceutical intermediates
Appearance:
powder
Product Name:
CAS No. 73724-43-3
Type of product:
pharmaceutical raw material
Grade:
Medical Grade
Density:
085 G/cm3
Shelf life:
2 Years
Storage:
Room temperature
MOQ:
1 Kg
Packaging&Delivery
Selling Units:
Single item
Single package size:
15X10X10 cm
Single gross weight:
1.000 kg
Package Type:
```
According to the customer demand
```
Lead Time:
Quantity(Kilograms) 1 - 10 >10
Est. Time(days) 5 To be negotiated

Property

CAS No.: 73724-43-3 Formula: C22H25NO4S2 Molecular Weight: 431.56800

Basic Info

Chemical Name	(2R)-3-(tert-butyldisulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid
Synonyms	Fmoc-Cys(S-t-Bu)-OH; Fmoc-Cys(tButhio)-OH; Nalpha-Fmoc-S-tert-butylthio-L-cysteine; EINECS 277-574-6; N-Fmoc-S-tert-butylthiol-L-cysteine; (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butyldisulfanyl)propanoic acid; Fmoc-L-Cys(StBu)-OH;
CAS No.	73724-43-3
Molecular Formula	C22H25NO4S2
Molecular Weight	431.56800
PSA	126.23000
LogP	5.54910

Properties

Appearance & Physical State	White powder
Density	1.281 g/cm3
Boiling Point	623ºC at 760 mmHg
Melting Point	73-77ºC(95%), 98.7-101.9ºC(99.8%, From: Chengdu Shenghao Biochemical Technology Co., Ltd.)
Flash Point	330.6ºC
Refractive Index	1.62
Storage Condition	2-8ºC

Safety Info

Safety Statements	S22; S24/25

Synthesis Route

(2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-sulfanylpropanoic acid+2-Methyl-2-Propanethiol→(2R)-3-(tert-butyldisulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid
S-TERT-BUTYLMERCAPTO-L-CYSTEINE+9H-fluoren-9-ylmethyl carbonochloridate→(2R)-3-(tert-butyldisulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid

Precursor

9H-fluoren-9-ylmethyl carbonochloridate
(2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-sulfanylpropanoic acid
2-Methyl-2-Propanethiol
S-TERT-BUTYLMERCAPTO-L-CYSTEINE

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