4-nitrobenzyl [2R-(2alpha,5beta,6alpha,7beta)]-3-methylene-8-oxo-7-(phenoxyacetamido)-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylate 5-oxide

4-硝基苄基 (2R,5S,6R,7R)-3-亚甲基-8-氧代-7-[(苯氧基乙酰基)氨基]-5-硫杂-1-氮杂双环[4.2.0]辛烷-2-甲酸酯 5-氧化物

Also known as: (2R,6β)-3-Methylene-2β-[[(4-nitrophenyl)methoxy]carbonyl]-8-oxo-7α-[(phenoxyacetyl)amino]-5-thia-1-azabicyclo[4.2.0]octane5-oxide, (4-nitrophenyl)methyl 3-methylidene-5,8-dioxo-7-[(2-phenoxyacetyl)amino]-5λ4-thia-1-azabicyclo[4.2.0]octane-2-carboxylate, (4R,6R,7R)-4-nitrobenzyl 3-methylene-7-phenoxyacetamidocepham-4-carboxylate-1-oxide, 4-Nitrobenzyl [2R-(2alpha,5beta,6alpha,7beta)]-3-methylene-8-oxo-7-(phenoxyacetamido)-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylate 5-oxide, 4-nitrobenzyl (2r-(2alpha,5beta,6alpha,7beta))-3-methylene-8-oxo-7-(phenoxyacetamido)-5-thia-1-azabicyclo(4.2.0)octane-2-carboxylate 5-oxide, 4-nitrobenzyl [2R-(2α,5β,6α,7β)]-3-methylene-8-oxo-7-(phenoxyacetamido)-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylate 5-oxide, 5-Thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid, 3-methylene-8-oxo-7-[(phenoxyacetyl)amino]-, (4-nitrophenyl)methyl ester, 5-oxide, (2R,5S,6R,7R)-, EINECS 262-423-9, Einecs 262-423-9

4-nitrobenzyl [2R-(2alpha,5beta,6alpha,7beta)]-3-methylene-8-oxo-7-(phenoxyacetamido)-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylate 5-oxide (CAS 60771-27-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C23H21N3O8S and a molecular weight of 499.49300 g/mol. It is also known as (2R,6β)-3-Methylene-2β-[[(4-nitrophenyl)methoxy]carbonyl]-8-oxo-7α-[(phenoxyacetyl)amino]-5-thia-1-azabicyclo[4.2.0]octane5-oxide, (4-nitrophenyl)methyl 3-methylidene-5,8-dioxo-7-[(2-phenoxyacetyl)amino]-5λ4-thia-1-azabicyclo[4.2.0]octane-2-carboxylate and (4R,6R,7R)-4-nitrobenzyl 3-methylene-7-phenoxyacetamidocepham-4-carboxylate-1-oxide. Key properties include a boiling point of 854ºC at 760 mmHg, a density of 1.52g/cm3 and a flash point of 470.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
60771-27-9
Jingsj CID
J-1369205-6
Molecular Formula
C23H21N3O8S
Chinese Name
4-硝基苄基 (2R,5S,6R,7R)-3-亚甲基-8-氧代-7-[(苯氧基乙酰基)氨基]-5-硫杂-1-氮杂双环[4.2.0]辛烷-2-甲酸酯 5-氧化物
Molecular Weight
499.49300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point854ºC at 760 mmHg
Density1.52g/cm3
Flash Point470.3ºC

Frequently Asked Questions

What is the CAS number of 4-nitrobenzyl [2R-(2alpha,5beta,6alpha,7beta)]-3-methylene-8-oxo-7-(phenoxyacetamido)-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylate 5-oxide?

The CAS number of 4-nitrobenzyl [2R-(2alpha,5beta,6alpha,7beta)]-3-methylene-8-oxo-7-(phenoxyacetamido)-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylate 5-oxide is 60771-27-9.

What are the molecular formula and molecular weight of 4-nitrobenzyl [2R-(2alpha,5beta,6alpha,7beta)]-3-methylene-8-oxo-7-(phenoxyacetamido)-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylate 5-oxide?

4-nitrobenzyl [2R-(2alpha,5beta,6alpha,7beta)]-3-methylene-8-oxo-7-(phenoxyacetamido)-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylate 5-oxide has molecular formula C23H21N3O8S and molecular weight 499.49300 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-nitrobenzyl [2R-(2alpha,5beta,6alpha,7beta)]-3-methylene-8-oxo-7-(phenoxyacetamido)-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylate 5-oxide (CAS 60771-27-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1369205-6 (accessed 2026-10-25).

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