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5-(N-tert-Butoxycarbonylamino)salicylic acid

CAS No.
135321-95-8
Chemical Name:
5-(N-tert-Butoxycarbonylamino)salicylic acid
Synonyms
Boc-5-Asa-OH;5-(Boc-amino)-2-hydroxybenzoic acid;5-(N-tert-Butoxycarbonylamino)salicylic acid;5-[[(1,1-DiMethylethoxy)carbonyl]aMino]-2-hydroxy-benzoic Acid;Benzoic acid, 5-[[(1,1-dimethylethoxy)carbonyl]amino]-2-hydroxy-
CBNumber:
CB6218953
Molecular Formula:
C12H15NO5
Molecular Weight:
253.25
MDL Number:
MFCD02682208
MOL File:
Mol file
MSDS File:
SDS
Last updated:2026-09-12 18:54:02

5-(N-tert-Butoxycarbonylamino)salicylic acid Properties

Melting point 279-280°C
Boiling point 367.5±37.0 °C(Predicted)
Density 1.337±0.06 g/cm3(Predicted)
storage temp. -20°C Freezer
solubility Dioxane (Slightly), DMSO (Slightly), Methanol (Slightly)
form Solid
pka 3.12±0.10(Predicted)
color White to Tan

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319
Precautionary statements  P264-P270-P280-P302+P352-P330-P362+P364-P501

5-(N-tert-Butoxycarbonylamino)salicylic acid price More Price(29)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Usbiological 263385 5-(N-tert-Butoxycarbonylamino)salicylic acid 135321-95-8 500mg $425 2026-06-03 Buy
Usbiological 263385 5-(N-tert-Butoxycarbonylamino)salicylic acid 135321-95-8 1g $628 2026-06-03 Buy
Usbiological 263385 5-(N-tert-Butoxycarbonylamino)salicylic acid 135321-95-8 2g $951 2026-06-03 Buy
Usbiological 263385 5-(N-tert-Butoxycarbonylamino)salicylic acid 135321-95-8 5g $1480 2026-06-03 Buy
Usbiological 263385 5-(N-tert-Butoxycarbonylamino)salicylic acid 135321-95-8 10g $2387 2026-06-03 Buy
Product number Packaging Price Buy
263385 500mg $425 Buy
263385 1g $628 Buy
263385 2g $951 Buy
263385 5g $1480 Buy
263385 10g $2387 Buy

5-(N-tert-Butoxycarbonylamino)salicylic acid Chemical Properties, Uses, Production

Chemical Properties

Pinky-grey Solid

Uses

5-[[(1,1-Dimethylethoxy)carbonyl]amino]-2-hydroxybenzoic Acid is an impurity from the synthesis of Mesalamine (M258100).

5-(N-tert-Butoxycarbonylamino)salicylic acid Preparation Products And Raw materials

Raw materials

Preparation Products

5-(N-tert-Butoxycarbonylamino)salicylic acid Suppliers

Global Suppliers ( 34)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
3B Pharmachem (Wuhan) International Co.,Ltd. 18930552037 3bsc@sina.com China 15813 69
Chemsky(shanghai)International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
Beijing FYF Chemicals Co., Ltd 010-57903446 15869909019 168931144@qq.com China 2876 58
Shenzhen Polymeri Biochemical Technology Co., Ltd. +86-400-002-6226 sales@rrkchem.com China 57336 58
Shanghai Jifeng Biotechnology Co., Ltd. 021-61263377 15023907684 15800684150@163.com China 7994 58
Binhai gill polypeptide co. LTD 021-61263389 13524856427 Joetang@glschina.com China 9927 58
Gill polypeptide biopharmaceutical (dalian) co., LTD 021-61263455 13167021076 amy@glschina.com China 9699 58
Energy Chemical 021-58432009 400-005-6266 marketing@energy-chemical.com China 44871 58
Shanghai Haohong Pharmaceutical Co., Ltd. 400-8210725 4008210725 malulu@leyan.com China 39796 58

5-(N-tert-Butoxycarbonylamino)salicylic acid Spectrum

5-[[(1,1-DiMethylethoxy)carbonyl]aMino]-2-hydroxy-benzoic Acid Benzoic acid, 5-[[(1,1-dimethylethoxy)carbonyl]amino]-2-hydroxy- Boc-5-Asa-OH 5-(Boc-amino)-2-hydroxybenzoic acid 5-(N-tert-Butoxycarbonylamino)salicylic acid 135321-95-8 Aromatics Compounds Aromatics Miscellaneous Reagents