Methyl 4-(1-Methoxy-1-oxopropan-2-yl)benzoate
- CAS77959-48-9
- CatalogueRS-Z401KW8
- FormulaC12H14O4
- MW222.09
IN STOCK
On this page
Product identification
| Product name | Methyl 4-(1-Methoxy-1-oxopropan-2-yl)benzoate |
|---|---|
| Catalogue No. | RS-Z401KW8 |
| CAS No. | 77959-48-9 |
| Molecular formula | C12H14O4 |
| Molecular weight | 222.09 |
| Availability | In stock— dispatched in about 1–2 weeks |
| Standard type | General Reference Standards |
| Drug substance | Ibuprofen |
| Also known as | CATO |
| Storage | Refer to the certificate of analysis (COA) supplied with each lot |
| Intended use | For laboratory and research use only. Not for human or veterinary use. |
What is stated on the certificate
Content and purity are assigned per lot and stated on the certificate of analysis issued for the batch you receive — they are not a catalogue-level figure. The certificate records the tests performed, the specification applied and the result obtained for that lot.
| Field | Basis |
|---|---|
| Identity | Spectroscopic and chromatographic methods appropriate to the material |
| Purity | Chromatographic purity, area normalisation unless stated otherwise |
| Assay / content | Mass balance, corrected for the stated volatiles and residue |
| Catalogue and batch numbers | RS-Z401KW8 / batch number on the certificate |
| Retest date | Printed on the certificate for the lot supplied |
Frequently asked
What documentation is supplied with this lot?
A certificate of analysis (COA) is issued for the lot you receive. It records the catalogue number
RS-Z401KW8 and the batch number, the tests performed, the
specification applied and the result obtained. A safety data sheet is supplied with the shipment.
Is the assigned value given on an “as is” basis?
Content and purity are stated per lot on the certificate of analysis, on an “as is” basis unless the certificate says otherwise. The analytical basis for the assigned value is stated on the certificate.
How should this material be stored?
Store as stated: Refer to the certificate of analysis (COA) supplied with each lot. Re-test before use beyond the retest date printed on the certificate.
Do you supply pack sizes other than those listed?
Pack sizes are confirmed with the quotation. Quantities beyond the standard pack sizes can be quoted — send the quantity you need with your enquiry.
Finding this standard
Buyers reach this compound by CAS number, by catalogue number, through the drug substance it belongs to, or through the type of standard it is. Those routes all start here:
- Other impurities of Ibuprofen
- General Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-Z401KW8
- Request a quotation for RS-Z401KW8
Searching another way? Send the structure, a SMILES string or the pharmacopoeial name — a CAS number is not required for a non-compendial impurity. Write to sales@rssechem.com.
Other standards of Ibuprofen
All 162 further standards are listed here — every link is in the page, not loaded later.
-
(R)-(-)-Ibuprofen
IN STOCKRS-I022014 -
Ibuprofen
IN STOCKRS-U011046 -
Ibuprofen EP Impurity A
IN STOCKRS-I022054 -
Ibuprofen EP Impurity B
IN STOCKRS-I022038 -
Ibuprofen EP Impurity B Sodium
IN STOCKRS-I001BFN -
Ibuprofen EP Impurity C
IN STOCKRS-I022045 -
Ibuprofen EP Impurity E (Ibuprofen USP Related Compound C)
IN STOCKRS-I022041 -
Ibuprofen EP Impurity F
IN STOCKRS-I022053 -
Ibuprofen EP Impurity G
BACK ORDERRS-I022007 -
Ibuprofen EP Impurity H
IN STOCKRS-I022031 -
Ibuprofen EP Impurity I
IN STOCKRS-I022032 -
Ibuprofen EP Impurity J (Ibuprofen USP Related Compound J)
IN STOCKRS-I022017 -
Ibuprofen EP Impurity K
IN STOCKRS-I022013 -
Ibuprofen EP Impurity L
IN STOCKRS-I022016 -
Ibuprofen EP Impurity M
IN STOCKRS-I022047 -
Ibuprofen EP Impurity N
IN STOCKRS-I022039 -
Ibuprofen EP Impurity O
IN STOCKRS-I022049 -
Ibuprofen EP Impurity P
IN STOCKRS-I022010 -
Ibuprofen EP Impurity Q
IN STOCKRS-I022040 -
Ibuprofen EP Impurity R
IN STOCKRS-I022001 -
Ibuprofen Impurity V
CUSTOM SYNTHESISRS-I022028 -
(4-Ethylphenyl)acetic acid
IN STOCKRS-P012116 -
(4-isobutylphenyl)magnesium bromide
CUSTOM SYNTHESISRS-P031148 -
(R)-(-)-Ibuprofen (S)-(+)-Lysinate
IN STOCKRS-I009197 -
(R)-2-(4-Butylphenyl)propionic Acid
IN STOCKRS-I009028 -
(R)-Ibuprofen-d3
IN STOCKRS-I022003 -
(R,R)-N-(1-Phenylethyl) Ibuprofen Amide
IN STOCKRS-I022027 -
(R,S)-N-(1-Phenylethyl) Ibuprofen Amide
IN STOCKRS-I022026 -
(S)-Ibuprofen-d3
IN STOCKRS-I022006 -
(S)-ß-Isopropylphenethylamine
IN STOCKRS-P002011 -
(S,R)-N-(1-Phenylethyl)Ibuprofen Amide
CUSTOM SYNTHESISRS-U058310 -
(S,S)-N-(1-Phenylethyl) Ibuprofen Amide
IN STOCKRS-I022057 -
(±)-Ibuprofen D3, Sodium Salt(alpha-methyl D3)
IN STOCKRS-I103034 -
(±)-Ibuprofen Methyl Ester
IN STOCKRS-U011293 -
1,2 Dihydroxy Ibuprofen
IN STOCKRS-I022004 -
1-(1-Chloroethyl)-4-ethylbenzene
IN STOCKRS-Z397H3Z -
1-(1-chloroethyl)-4-isobutylbenzene
IN STOCKRS-C003177 -
1-(3-Hydroxy-4-isobutylphenyl)ethan-1-one
IN STOCKRS-D116037 -
1-(4-(Bromomethyl)phenyl)ethanone
IN STOCKRS-P003A0M -
1-(4-(sec-Butyl)phenyl)propan-1-one
IN STOCKRS-U009554 -
1-(4-Sec-butylphenyl)ethanone
IN STOCKRS-D118163 -
1-[3-(2-methylpropyl)phenyl]ethan-1-one
CUSTOM SYNTHESISRS-U010454 -
1-propyl-4-vinylbenzene
BACK ORDERRS-U001A3K -
2-(4-Isobutylphenyl)propanal
IN STOCKRS-I022015 -
2-(4-Isopropylphenyl)acrylic acid
IN STOCKRS-D133010 -
2-(Bromoacetyl)-6-methoxynaphthalene
IN STOCKRS-U005072 -
2-[p-(1-Bromo-2-methylpropyl)phenyl]propionic Acid
IN STOCKRS-U001A4Z -
2-[p-(2-Methyl-1,2-epoxypropyl)phenyl]propionic Acid
IN STOCKRS-U001A50 -
2-[p-(2-Methyl-2-hydroxypropyl)phenyl]propenoic Acid
IN STOCKRS-U001A51 -
2-Hydroxyibuprofen
IN STOCKRS-I007032 -
2-Isopropyl-2-phenylacetic acid
IN STOCKRS-P031070 -
3-(4-isobutylphenyl)propanal
IN STOCKRS-U011860 -
3-Isobutylphenol
CUSTOM SYNTHESISRS-D133029 -
4'-Isobutyl-2,2-dibromopropiophenone
IN STOCKRS-D133001 -
4-(2-Hydroxy-2-methylpropyl)-benzeneacetic Acid-d6
IN STOCKRS-Z401LGR -
4-(Isobutyryl)benzoic acid
CUSTOM SYNTHESISRS-U011253 -
4-Acetylbenzoic Acid
IN STOCKRS-U074181 -
4-Butylbenzeneacetic Acid Methyl Ester
IN STOCKRS-Z401CH9 -
4-Carboxyphenylacetic acid
IN STOCKRS-P001620 -
4-Isobutylbenzoic Acid
CUSTOM SYNTHESISRS-I022011 -
4-isobutylphenol
IN STOCKRS-U011266 -
4-Tert-Butylphenethyl Alcohol
IN STOCKRS-U099264 -
a-Methyl-4-propylphenylacetic Acid
IN STOCKRS-I022009 -
alpha-(4-Isobutylphenyl)ethanol
IN STOCKRS-I022012 -
Benzeneacetic acid,-alpha-,4-dimethyl-, (-alpha-S)-(9CI)
BACK ORDERRS-U081401 -
Benzoic acid, 4-acetyl-, methyl ester
IN STOCKRS-Z401IAZ -
Cadmium sulfate
IN STOCKRS-Z393AZ5 -
Carboxyibuprofen
IN STOCKRS-I005013 -
Carboxyibuprofen-[D3] (Mixture of Diastereomers)
IN STOCKRS-I098099 -
Dexibuprofen Ethyl Ester
CUSTOM SYNTHESISRS-I022036 -
Dihydroxy Ibuprofen
IN STOCKRS-I022170 -
DOPE PEG(2000)-N-Cyanine 5
IN STOCKRS-U062394 -
Ethyl 2-(4-isobutylphenyl)-2-oxoacetate
IN STOCKRS-P012389 -
Hydroxy Ibuprofen-d3
IN STOCKRS-I022197 -
Ibuprofen 2,3-Butylene Glycol Ester
CUSTOM SYNTHESISRS-I022090 -
Ibuprofen Acyl Glucuronide (Mixture of Diastereomers)
CUSTOM SYNTHESISRS-I005004 -
Ibuprofen Dimer
BACK ORDERRS-I005060 -
Ibuprofen Ester Impurity (PEG600)
IN STOCKRS-I005091 -
Ibuprofen Ethyl Ester
IN STOCKRS-I022042 -
Ibuprofen Isopropyl Ester (Isopropyl 2-(4-Isobutylphenyl)Propanonate)
IN STOCKRS-I005081 -
Ibuprofen L-Arginine
IN STOCKRS-U011289 -
Ibuprofen Lysinate
BACK ORDERRS-U011287 -
Ibuprofen Lysine
IN STOCKRS-U011288 -
Ibuprofen Methocarbamol Ester (Mixture of Diastereomers)
BACK ORDERRS-I022024 -
Ibuprofen sodium dihydrate
IN STOCKRS-I022044 -
Ibuprofen Sodium Salt
IN STOCKRS-I022073 -
Ibuprofen Sorbitol
CUSTOM SYNTHESISRS-I022185 -
Ibuprofen-13C6
IN STOCKRS-I103024 -
Ibuprofen-13CD3
IN STOCKRS-I022074 -
Ibuprofen-d3 Alcohol
IN STOCKRS-I103105 -
Ibuprofen-d4
IN STOCKRS-I022084 -
ISOPROPYL GLYCOLATE
IN STOCKRS-I005023 -
m-Isobutyl Ibuprofen-d3
IN STOCKRS-I022029 -
Methyl 2-(4-ethylphenyl)propanoate
IN STOCKRS-Z401K20 -
Methyl 3-((Trifluoromethylsulfonyl)oxy)phenylacetate
IN STOCKRS-M854016 -
N-(1-Phenylethyl)Ibuprofen Amide(Mixture of 4 Diastereomers)
IN STOCKRS-M111004 -
N-(4-hydroxyphenyl)-2-(4-isobutylphenyl)propanamide
BACK ORDERRS-U096244 -
p-Ethylhydratropic Acid-d3
CUSTOM SYNTHESISRS-I093360 -
rac 2-Hydroxy Ibuprofen-d6
IN STOCKRS-I022075 -
Rac ibuprofen-[D3]
IN STOCKRS-I095041 -
Ibuprofen EP Impurity A Methyl Ester
IN STOCKRS-D128137 -
α-Methyl-3-[[(trifluoromethyl)sulfonyl]oxy]-benzeneacetic Acid Methyl Ester
CUSTOM SYNTHESISRS-M921009 -
Ibuprofen Impurity 13
IN STOCKRS-I022051 -
Ibuprofen Impurity 16
IN STOCKRS-I022002 -
Ibuprofen Impurity 19
IN STOCKRS-I022020 -
Ibuprofen Impurity 20
IN STOCKRS-I022030 -
Ibuprofen Impurity 22
CUSTOM SYNTHESISRS-Z401EGI -
Ibuprofen Impurity 36 (126176-61-2)
IN STOCKRS-I022079 -
Ibuprofen Impurity 37
IN STOCKRS-I022092 -
Ibuprofen Impurity 44
IN STOCKRS-I022069 -
Ibuprofen Impurity 45
IN STOCKRS-I022077 -
Ibuprofen Impurity 73
IN STOCKRS-Z406I1M -
Ibuprofen Impurity 80
IN STOCKRS-I022025 -
Ibuprofen Impurity 90
CUSTOM SYNTHESISRS-I022081 -
Ibuprofen Impurity 95
IN STOCKRS-I022086 -
Ibuprofen Impurity 97
CUSTOM SYNTHESISRS-I022072 -
Ibuprofen Impurity 106
IN STOCKRS-I001BPZ -
Ibuprofen Impurity 107
IN STOCKRS-I007008 -
Ibuprofen Impurity 108
CUSTOM SYNTHESISRS-I001B58 -
Ibuprofen Impurity 116
IN STOCKRS-I022064 -
Ibuprofen impurity 121
CUSTOM SYNTHESISRS-I001B3B -
Ibuprofen impurity 124
IN STOCKRS-I001B4V -
Ibuprofen Impurity 124
IN STOCKRS-I022076 -
Ibuprofen Impurity 125
IN STOCKRS-I022080 -
Ibuprofen Impurity 148
CUSTOM SYNTHESISRS-I022062 -
Ibuprofen Impurity 150 ((S)-Ibuprofen Isopropyl Ester)
IN STOCKRS-I022023 -
Ibuprofen Impurity 151 ((S)-Ibuprofen Methyl Ester)
IN STOCKRS-I022058 -
Ibuprofen Impurity 152 ((R)-Ibuprofen Methyl Ester)
IN STOCKRS-I022071 -
Ibuprofen Impurity 153
IN STOCKRS-I022060 -
Ibuprofen Impurity 155
IN STOCKRS-I001BA6 -
Ibuprofen Impurity 159
IN STOCKRS-I022066 -
Ibuprofen Impurity 160
IN STOCKRS-I022067 -
Ibuprofen Impurity 161
IN STOCKRS-I022065 -
Ibuprofen Impurity 162
IN STOCKRS-I022070 -
Ibuprofen Impurity 163
IN STOCKRS-I022019 -
Ibuprofen Impurity 164
IN STOCKRS-I022035 -
Ibuprofen Impurity 165
CUSTOM SYNTHESISRS-I022068 -
Ibuprofen Impurity 166
IN STOCKRS-I001217 -
Ibuprofen Impurity 167
CUSTOM SYNTHESISRS-I022088 -
Ibuprofen Impurity 168
IN STOCKRS-I022091 -
Ibuprofen Impurity 173
IN STOCKRS-I022085 -
Ibuprofen Impurity 186
IN STOCKRS-I006001 -
Ibuprofen Impurity 187
IN STOCKRS-I022005 -
Ibuprofen Impurity 188
BACK ORDERRS-I022008 -
Ibuprofen Impurity 189
IN STOCKRS-I022021 -
Ibuprofen Impurity 190
IN STOCKRS-I022022 -
Ibuprofen Impurity 191
IN STOCKRS-I022033 -
Ibuprofen Impurity 192
BACK ORDERRS-I022034 -
Ibuprofen Impurity 193
IN STOCKRS-I022037 -
Ibuprofen Impurity 194
IN STOCKRS-I022043 -
Ibuprofen Impurity 195
CUSTOM SYNTHESISRS-I022046 -
Ibuprofen Impurity 196
IN STOCKRS-I022048 -
Ibuprofen Impurity 197
IN STOCKRS-I022050 -
Ibuprofen Impurity 198
IN STOCKRS-I022052 -
Ibuprofen Impurity 199
IN STOCKRS-I022055 -
Ibuprofen Impurity 200
IN STOCKRS-I022056 -
Ibuprofen Impurity 201
IN STOCKRS-I022059 -
Ibuprofen Impurity 202
IN STOCKRS-I022061 -
Ibuprofen Impurity 203
IN STOCKRS-I022063 -
Ibuprofen Impurity 204
IN STOCKRS-I022078 -
Ibuprofen Impurity 239
IN STOCKRS-U011094
![Chemical structure of 1-[3-(2-methylpropyl)phenyl]ethan-1-one](/structures/w4/MOZGWLKDRDPIEY-UHFFFAOYSA-N.webp?v=8)
![Chemical structure of 2-[p-(1-Bromo-2-methylpropyl)phenyl]propionic Acid](/structures/w4/JMYFDQVXABRDFF-UHFFFAOYSA-N.webp?v=8)
![Chemical structure of 2-[p-(2-Methyl-1,2-epoxypropyl)phenyl]propionic Acid](/structures/w4/SKAHDOGTKBOBNX-UHFFFAOYSA-N.webp?v=8)
![Chemical structure of 2-[p-(2-Methyl-2-hydroxypropyl)phenyl]propenoic Acid](/structures/w4/UTFNEPGQCUXCCM-UHFFFAOYSA-N.webp?v=8)
![Chemical structure of Carboxyibuprofen-[D3] (Mixture of Diastereomers)](/structures/w4/DIVLBIVDYADZPL-BMSJAHLVSA-N.webp?v=8)
![Chemical structure of Rac ibuprofen-[D3]](/structures/w4/HEFNNWSXXWATRW-HPRDVNIFSA-N.webp?v=8)
![Chemical structure of α-Methyl-3-[[(trifluoromethyl)sulfonyl]oxy]-benzeneacetic Acid Methyl Ester](/structures/w4/ZGMOQKZZPJSTIB-UHFFFAOYSA-N.webp?v=8)
Pharmacopoeial names (EP, USP, BP, JP) are used for identification purposes only and do not imply endorsement by those bodies. This product is supplied for laboratory and research use only — not for human or veterinary use.