6β-Phthalimidopenicillanic Acid
- CAS20425-27-8
- CatalogueRS-Z401EP2
- FormulaC16H14N2O5S
- MW346.06
On this page
Product identification
| Product name | 6β-Phthalimidopenicillanic Acid |
|---|---|
| Catalogue No. | RS-Z401EP2 |
| CAS No. | 20425-27-8 |
| Molecular formula | C16H14N2O5S |
| Molecular weight | 346.06 |
| Availability | In stock— dispatched in about 1–2 weeks |
| Standard type | General Reference Standards |
| Drug substance | Ampicillin |
| 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-Z401EP2 / 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 Ampicillin
- General Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-Z401EP2
- Request a quotation for RS-Z401EP2
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 Ampicillin
All 49 further standards are listed here — every link is in the page, not loaded later.
-
Ampicillin EP Impurity B
IN STOCKRS-A003006 -
Ampicillin EP Impurity C(Isomeric mixture 2)
IN STOCKRS-X001227 -
Ampicillin EP Impurity C1
IN STOCKRS-A003012 -
Ampicillin EP Impurity D
CUSTOM SYNTHESISRS-A003005 -
Ampicillin EP Impurity E
IN STOCKRS-A003003 -
Ampicillin EP Impurity G
IN STOCKRS-A003010 -
Ampicillin EP Impurity H (Cefaclor EP Impurity F)
IN STOCKRS-C161005 -
Ampicillin EP Impurity I
BACK ORDERRS-A003001 -
Ampicillin EP Impurity J
IN STOCKRS-A003014 -
Ampicillin EP Impurity K
IN STOCKRS-A003011 -
Ampicillin EP Impurity L Potassium Salt
IN STOCKRS-A003024 -
Ampicillin EP Impurity M
BACK ORDERRS-A003021 -
Ampicillin Impurity F(EP)
IN STOCKRS-A003004 -
Ampicillin Impurity M(EP)(a dimer)
BACK ORDERRS-A003022 -
Ampicillin Impurity O(EP)(a dimer)
IN STOCKRS-A003015 -
Ampicillin Impurity S
CUSTOM SYNTHESISRS-I001A4Q -
2-hydroxyethyl 2-amino-2-phenylacetate
BACK ORDERRS-U067503 -
3,6-Diphenylpiperazine-2,5-dione
IN STOCKRS-P006881 -
Ampicillin Sulfate Salt
BACK ORDERRS-A003029 -
Ampicillin-[D5]
IN STOCKRS-A111001 -
Ampicillinoic Acid
IN STOCKRS-A003027 -
D(-)-Phenylglycinamide
IN STOCKRS-U062433 -
D-Phenylglycinamide Hydrochloride
CUSTOM SYNTHESISRS-I010488 -
L-Phenylglycine
IN STOCKRS-U072113 -
Lenampicillin-d5 Hydrochloride
BACK ORDERRS-A003016 -
Penicillanic Acid
IN STOCKRS-I001133 -
Sodium N-[1-Methyl-2-carbomethoxyvinyl]-D(-)-α-aminophenylacetate
IN STOCKRS-Z400S3R -
Talampicillin
BACK ORDERRS-U099786 -
24
BACK ORDERRS-Z401KHP -
Ampicillin Impurity 11
IN STOCKRS-A003008 -
Ampicillin Impurity 21
IN STOCKRS-A003020 -
Ampicillin Impurity 23
IN STOCKRS-I001ARN -
Ampicillin Impurity 27 (Mixture of Diastereoisomer)
IN STOCKRS-X001231 -
Ampicillin Impurity 35
BACK ORDERRS-I001B5L -
Ampicillin Impurity 36 Potassium Salt
CUSTOM SYNTHESISRS-A003025 -
Ampicillin Impurity 51
BACK ORDERRS-A003028 -
Ampicillin Impurity 54
BACK ORDERRS-I001B08 -
Ampicillin Impurity 59
BACK ORDERRS-I001AF9 -
Ampicillin Impurity 74
IN STOCKRS-I001BKV -
Ampicillin Impurity 78
BACK ORDERRS-I001B88 -
Ampicillin Impurity 96
IN STOCKRS-A003023 -
Ampicillin Impurity 97
BACK ORDERRS-A003002 -
Ampicillin Impurity 98
IN STOCKRS-A003009 -
Ampicillin Impurity 99
IN STOCKRS-A003013 -
Ampicillin Impurity 101
IN STOCKRS-A003018 -
Ampicillin Impurity 102
IN STOCKRS-A003019 -
Ampicillin Impurity 103
CUSTOM SYNTHESISRS-A003026
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.

















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