Entacapone impurity 38
- CAS71608-02-1
- CatalogueRS-Z401KGK
- FormulaC8H9NO4
- MW183.05
On this page
Product identification
| Product name | Entacapone impurity 38 |
|---|---|
| Catalogue No. | RS-Z401KGK |
| CAS No. | 71608-02-1 |
| Molecular formula | C8H9NO4 |
| Molecular weight | 183.05 |
| Availability | In stock— dispatched in about 1–2 weeks |
| Standard type | General Reference Standards |
| Drug substance | Entacapone |
| 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-Z401KGK / batch number on the certificate |
| Retest date | Printed on the certificate for the lot supplied |
Frequently asked
What documentation is supplied with this lot?
Is the assigned value given on an “as is” basis?
How should this material be stored?
Do you supply pack sizes other than those listed?
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 Entacapone
- General Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-Z401KGK
- Request a quotation for RS-Z401KGK
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 Entacapone
All 76 further standards are listed here — every link is in the page, not loaded later.
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Entacapone
IN STOCKRS-U008085 -
Entacapone EP Impurity A (Entacapone USP Related Compound A, cis-Entacapone)
IN STOCKRS-E044004 -
Entacapone EP Impurity B
IN STOCKRS-E044011 -
Entacapone EP Impurity D
IN STOCKRS-E044035 -
Entacapone EP Impurity E
IN STOCKRS-E044005 -
Entacapone EP Impurity F
IN STOCKRS-E044021 -
Entacapone EP Impurity G
IN STOCKRS-E044012 -
Entacapone EP Impurity H
IN STOCKRS-E044008 -
Entacapone EP Impurity I
IN STOCKRS-E044003 -
(E)-3-O-Methyl Entacapone
IN STOCKRS-E044006 -
(E/Z)-3-O-Methyl Entacapone
IN STOCKRS-E044015 -
2-(Pivaloyloxy)acetic Acid
CUSTOM SYNTHESISRS-P017237 -
2-acetamido-4,5-dimethoxybenzoic acid
BACK ORDERRS-U003A0U -
2-Amino-3,4-dimethoxybenzoic Acid
IN STOCKRS-U056823 -
2-hydroxy-4-(hydroxymethylene)cyclohexa-2,5-dien-1-one
IN STOCKRS-Z397Q6B -
2-Hydroxy-5-methoxyisophthalaldehyde
IN STOCKRS-Z401KKC -
2-Propenamide, 2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-ethyl-
IN STOCKRS-Z399KUN -
3,4-Dihydroxy-5-nitrobenzaldehyde
IN STOCKRS-U069044 -
3-(3,4-Dihydroxyphenyl)propanal
IN STOCKRS-I516316 -
3-Amino-4,5-dimethoxybenzoic Acid
IN STOCKRS-U074874 -
7,8-Dimethoxyquinazolin-4(3H)-one
CUSTOM SYNTHESISRS-U098550 -
cis-Entacapone-d10
IN STOCKRS-E044009 -
Dehydrodivanillin
IN STOCKRS-U077216 -
Entacapone (sodiuM salt)
BACK ORDERRS-E044055 -
Entacapone 3-o-glucuronide
BACK ORDERRS-E044018 -
Entacapone Amide Impurity
IN STOCKRS-E044019 -
Entacapone-3'-sulfate SodiuM Salt
BACK ORDERRS-E044056 -
Methyl 2-amino 4,5-dimethoxy benzoate
IN STOCKRS-U082643 -
methyl 3,4-dimethoxy-2-nitrobenzoate
BACK ORDERRS-U082600 -
methyl 3-amino-4,5-dimethoxybenzoate
BACK ORDERRS-U082481 -
Methyl 4,5-dimethoxy-2-nitrobenzoate
CUSTOM SYNTHESISRS-P140170 -
N,N-Diethyl-2-hydroxyacetamide
IN STOCKRS-U042219 -
Entacapone Impurity 9
IN STOCKRS-E044002 -
Entacapone Impurity 23
IN STOCKRS-E044017 -
Entacapone Impurity 28
IN STOCKRS-E044024 -
Entacapone Impurity 39
IN STOCKRS-E044032 -
Entacapone Impurity 40
IN STOCKRS-E044022 -
Entacapone Impurity 41
IN STOCKRS-E044041 -
Entacapone Impurity 42
IN STOCKRS-Z395BS9 -
Entacapone Impurity 43
IN STOCKRS-E044042 -
Entacapone Impurity 44
IN STOCKRS-E044043 -
Entacapone Impurity 45
IN STOCKRS-E044044 -
Entacapone Impurity 46
CUSTOM SYNTHESISRS-E044045 -
Entacapone Impurity 47
CUSTOM SYNTHESISRS-E044046 -
Entacapone Impurity 48
IN STOCKRS-E044047 -
Entacapone Impurity 49
IN STOCKRS-E044048 -
Entacapone impurity 49
IN STOCKRS-I001BH6 -
Entacapone Impurity 50
IN STOCKRS-E044049 -
Entacapone Impurity 51
IN STOCKRS-Z394U1C -
Entacapone impurity 54
CUSTOM SYNTHESISRS-I001300 -
Entacapone Impurity 59
IN STOCKRS-E044050 -
Entacapone Impurity 61 (6330-25-2)
IN STOCKRS-E044039 -
Entacapone Impurity 62
CUSTOM SYNTHESISRS-E044051 -
Entacapone Impurity 64
IN STOCKRS-U002208 -
Entacapone Impurity 65
IN STOCKRS-E044016 -
Entacapone Impurity 66
IN STOCKRS-E044053 -
Entacapone Impurity 72 (893419-47-1)
IN STOCKRS-E044054 -
Entacapone Impurity 109
IN STOCKRS-U211O2J -
Entacapone Impurity 110
CUSTOM SYNTHESISRS-E044052 -
Entacapone Impurity 122
IN STOCKRS-I516281 -
Entacapone Impurity 130
IN STOCKRS-E044027 -
Entacapone Impurity 131
IN STOCKRS-E044030 -
Entacapone Impurity 132
IN STOCKRS-E044033 -
Entacapone Impurity 133
IN STOCKRS-E044037 -
Entacapone Impurity 145
CUSTOM SYNTHESISRS-E044010 -
Entacapone Impurity 146
IN STOCKRS-E044013 -
Entacapone Impurity 147
IN STOCKRS-E044014 -
Entacapone Impurity 148
CUSTOM SYNTHESISRS-E044020 -
Entacapone Impurity 149
IN STOCKRS-E044025 -
Entacapone Impurity 150
IN STOCKRS-E044026 -
Entacapone Impurity 151
IN STOCKRS-E044028 -
Entacapone Impurity 152
CUSTOM SYNTHESISRS-E044029 -
Entacapone Impurity 153
CUSTOM SYNTHESISRS-E044031 -
Entacapone Impurity 154
IN STOCKRS-E044034 -
Entacapone Impurity 155
IN STOCKRS-E044038 -
Entacapone Impurity 156
IN STOCKRS-E044040
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.








































































