ChemicalBook >> CAS DataBase List >>Benzhydryl 6,6-dihydropenicillic acid 1-oxide[tazobactam intermediate]

Benzhydryl 6,6-dihydropenicillic acid 1-oxide[tazobactam intermediate]

CAS No.
87579-78-0
Chemical Name:
Benzhydryl 6,6-dihydropenicillic acid 1-oxide[tazobactam intermediate]
Synonyms
Tazobactam Impurity 44;Tazobactam Impurity 45;Tazobactam Acid Impurity 24;Diphenylmethylpenicillanate1-oxide;Penicillin sulfoxide diphenyl methyl ester;4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 3,3-dime...;Benzhydryl 6,6-dihydropenicillic acid 1-oxide[tazobactam intermediate];(2S,5R)-Benzhydryl 3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-;benzhydryl (2S,5R)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 4-oxide;(2S,5R)-Benzhydryl 3,3-diMethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 4-oxide
CBNumber:
CB01011085
Molecular Formula:
C21H21NO4S
Molecular Weight:
383.46
MDL Number:
MFCD11044527
MOL File:
87579-78-0.mol
Last updated:2026-09-12 18:28:28

Benzhydryl 6,6-dihydropenicillic acid 1-oxide[tazobactam intermediate] Properties

Boiling point 598.7±50.0 °C(Predicted)
Density 1.37
storage temp. 2-8°C
solubility Dichloromethane
pka -3.44±0.60(Predicted)
form Solid
color Yellow
InChI InChI=1S/C21H21NO4S/c1-21(2)19(22-16(23)13-17(22)27(21)25)20(24)26-18(14-9-5-3-6-10-14)15-11-7-4-8-12-15/h3-12,17-19H,13H2,1-2H3/t17-,19+,27/m1/s1
InChIKey AZIUCAWYSMPKQK-HVHNRQALSA-N
SMILES N12[C@@]([H])(CC1=O)S(=O)C(C)(C)[C@@H]2C(OC(C1=CC=CC=C1)C1=CC=CC=C1)=O

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338

Benzhydryl 6,6-dihydropenicillic acid 1-oxide[tazobactam intermediate] price More Price(30)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Usbiological 422108 (2S,5R)-3,3-dimethyl-7-oxo-4-oxide-4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid Diphenylmethyl Ester 87579-78-0 25mg $468 2026-06-03 Buy
Usbiological 422108 (2S,5R)-3,3-dimethyl-7-oxo-4-oxide-4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid Diphenylmethyl Ester 87579-78-0 50mg $857 2026-06-03 Buy
TRC TRC-D474235-50MG (2S,5R)-3,3-dimethyl-7-oxo-4-oxide-4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid Diphenylmethyl Ester 87579-78-0 50mg $396 2026-06-03 Buy
TRC TRC-D474235-25MG (2S,5R)-3,3-dimethyl-7-oxo-4-oxide-4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid Diphenylmethyl Ester 87579-78-0 25mg $212 2026-06-03 Buy
TRC TRC-D474235-100MG (2S,5R)-3,3-dimethyl-7-oxo-4-oxide-4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid Diphenylmethyl Ester 87579-78-0 100mg $759 2026-06-03 Buy
Product number Packaging Price Buy
422108 25mg $468 Buy
422108 50mg $857 Buy
TRC-D474235-50MG 50mg $396 Buy
TRC-D474235-25MG 25mg $212 Buy
TRC-D474235-100MG 100mg $759 Buy

Benzhydryl 6,6-dihydropenicillic acid 1-oxide[tazobactam intermediate] Chemical Properties, Uses, Production

Uses

(2S,5R)-3,3-dimethyl-7-oxo-4-oxide-4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid Diphenylmethyl Ester is an intermediate in the synthesis of Tazobactam Sodium Salt-13C2,15N1, which is the labelled analogue of Tazobactam Sodium Salt (T010100), which is a β-Lactamase inhibitor, used with β-lactam antibiotics to enhance their effect.

Benzhydryl 6,6-dihydropenicillic acid 1-oxide[tazobactam intermediate] Preparation Products And Raw materials

Raw materials

Preparation Products

Benzhydryl 6,6-dihydropenicillic acid 1-oxide[tazobactam intermediate] Suppliers

Global Suppliers ( 83)
Supplier Tel Email Country ProdList Advantage
Qingdao Gelisi Pharmaceutical Co. , Ltd 189-4623-7973 13375559818 cfy69@163.com China 131 58
Quality Control Solutions Ltd. 0755-66853366 13670046396 orders@qcsrm.com China 18188 56
Sichuan Wei Keqi Biological Technology Co., Ltd. 028-81700200 18116577057 3003855609@qq.com China 7717 56
Nanjing XiZe Biotechnology CO., Ltd. 025-66023220 15250997978 1511893459@qq.com China 4777 55
parabiochem 025-83453382-8005 sale@parabiochem.com China 9577 55
Shanghai Norky Pharmaceutical Co., Ltd. 021-021-61075308 15216782696 sales@norkysh.com China 65 58
Amadis Chemical Company Limited 571-89925085 sales@amadischem.com China 131885 58
Aikon International Limited 025-58859352 15955137747 sales01@aikonchem.com China 16021 58
PI & PI BIOTECH INC. +86-13602409664 +86-17788709170 Sales@pipitech.com China 2644 58
Nanjing ChemLin Chemical Industry Co., Ltd. 025-83453327 product@chemlin.com.cn China 276 58

View Latest Price from Benzhydryl 6,6-dihydropenicillic acid 1-oxide[tazobactam intermediate] manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
BENZHYDRYL 6,6-DIHYDROPENICILLIC ACID 1-OXIDE[TAZOBACTAM INTERMEDIATE] pictures 2026-09-02 BENZHYDRYL 6,6-DIHYDROPENICILLIC ACID 1-OXIDE[TAZOBACTAM INTERMEDIATE]
87579-78-0
$1.20-35.00 1kg 99% Henan Fengda Chemical Co., Ltd
Tazobactam Impurity 6 pictures 2025-12-19 Tazobactam Impurity 6
87579-78-0
10mg 90%+ 10g Guangzhou PI PI BIOTECH INC
 BENZHYDRYL 6 6-DIHYDROPENICILLIC ACID 1-OXIDE pictures 2019-08-05 BENZHYDRYL 6 6-DIHYDROPENICILLIC ACID 1-OXIDE
87579-78-0
$1.00 1g 99% 10 tons Cangzhou Wanyou New Material Technology Co.,Ltd
(2S,5R)-3,3-Dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid diphenylmethyl ester 4-oxide (2S,5R)-Benzhydryl 3,3-diMethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 4-oxide (2S,5R)-3,3-dimethyl-7-oxo-4- oxide-4-Thia-1-azabicyclo[3.2. 0]heptane-2-carboxylic Acid Diphenylmethyl Ester 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 3,3-dimethyl-7-oxo-, diphenylmethyl ester, 4-oxide, (2S,5R)- Tazobactam Acid Impurity 24 Tazobactam Impurity 44 (2S,5R)-Benzhydryl 3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2- benzhydryl (2S,5R)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 4-oxide 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 3,3-dime... 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-, diphenylmethyl ester, 4-oxide, (2S,5R)- (9CI, ACI) Penicillin sulfoxide diphenyl methyl ester Diphenylmethylpenicillanate1-oxide Tazobactam Impurity 45 Benzhydryl 6,6-dihydropenicillic acid 1-oxide[tazobactam intermediate] (2S,5R)-2beta-[(Benzhydryloxy)carbonyl]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane4-oxide 87579-78-0