7-Oxabicyclo[4.1.0]hept-3-ene-3-carboxylicacid,5-hydroxy-,[1S-(1alpha,5beta,6alpha)]-(9CI)
- CAS149560-23-6
- CatalogueRS-Z399S7U
- FormulaC7H8O4
- MW156.04
On this page
Product identification
| Product name | 7-Oxabicyclo[4.1.0]hept-3-ene-3-carboxylicacid,5-hydroxy-,[1S-(1alpha,5beta,6alpha)]-(9CI) |
|---|---|
| Catalogue No. | RS-Z399S7U |
| CAS No. | 149560-23-6 |
| Molecular formula | C7H8O4 |
| Molecular weight | 156.04 |
| Availability | Custom synthesis— made to order, typically 3–4 weeks |
| Standard type | General Reference Standards |
| Drug substance | Oseltamivir |
| Also known as | standardpharm |
| 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-Z399S7U / 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 Oseltamivir
- General Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-Z399S7U
- Request a quotation for RS-Z399S7U
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 Oseltamivir
All 141 further standards are listed here — every link is in the page, not loaded later.
-
Oseltamivir
IN STOCKRS-U086114 -
Oseltamivir Citrate
BACK ORDERRS-U086331 -
Oseltamivir Hydrochloride
IN STOCKRS-U086326 -
Oseltamivir EP Impurity A
IN STOCKRS-O001012 -
Oseltamivir EP Impurity B
IN STOCKRS-O001036 -
Oseltamivir EP Impurity C
IN STOCKRS-O001015 -
Oseltamivir EP Impurity C(Hydrochloride)
IN STOCKRS-O001023 -
Oseltamivir EP Impurity D
IN STOCKRS-O001011 -
Oseltamivir EP Impurity E
IN STOCKRS-O001029 -
Oseltamivir EP Impurity E Hydrochloride
IN STOCKRS-Z412O5Y -
Oseltamivir EP Impurity F
IN STOCKRS-O001004 -
Oseltamivir EP Impurity G
IN STOCKRS-O001018 -
Oseltamivir EP Impurity H
IN STOCKRS-O001060 -
Oseltamivir Impurity K
CUSTOM SYNTHESISRS-O001059 -
(-)-3-Dehydroshikimic acid
IN STOCKRS-I010072 -
(3aS,7aR)-Ethyl 7-hydroxy-2,2-dimethyl-3a,6,7,7a-tetrahydrobenzo[d][1,3]dioxole-5-carboxylate
CUSTOM SYNTHESISRS-Z398SMM -
(3R,4R,5R)-ethyl 4-amino-5-(diallylamino)-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate
CUSTOM SYNTHESISRS-O001106 -
(3R,4R,5R)-Oseltamivir
CUSTOM SYNTHESISRS-I009039 -
(3R,4R,5S)-ethyl 4,5-diamino-3-hydroxycyclohex-1-enecarboxylate
IN STOCKRS-O001103 -
(3R,4R,5S)-ethyl 4-acetamido-5-azido-3-hydroxycyclohex-1-enecarboxylate
IN STOCKRS-O001138 -
(3R,4R,5S)-ethyl 5-acetamido-3-acetoxy-4-azidocyclohex-1-enecarboxylate
CUSTOM SYNTHESISRS-O001135 -
(3R,4S,5R)-Butyl 3,4,5-Trihydroxycyclohex-1-enecarboxylate
IN STOCKRS-U019529 -
(3R,4S,5R)-ethyl 5-(tert-butylamino)-4-((methylsulfonyl)oxy)-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate
CUSTOM SYNTHESISRS-O001119 -
(3R,4S,5R)-ethyl 5-(tert-butylamino)-4-(diallylamino)-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate
CUSTOM SYNTHESISRS-O001125 -
(3S,4R,5R)-Oseltamivir hydrochloride
IN STOCKRS-O001016 -
(S)-α,α-Bis[3,5-di(trifluoromethyl)phenyl]-O-(trimethylsilyl)pyrrolidine-2-methanol
BACK ORDERRS-U106874 -
Oseltamivir EP Impurity B
IN STOCKRS-O001005 -
4-(bromomethyl)benzenesulfonic acid
IN STOCKRS-U108735 -
B2
IN STOCKRS-I012134 -
ent-Oseltamivir Phosphate
BACK ORDERRS-O001003 -
ethyl (1S,5R,6R)-5-hydroxy-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate
IN STOCKRS-I011144 -
Ethyl (3R,4R,5S)-4,5-diamino-3-(pentan-3-yloxy)cyclohex-1-ene-1-carboxylate
IN STOCKRS-O001031 -
Ethyl (3R,4R,5S)-4-(tert-butylamino)-5-(diallylamino)-3-(pentan-3-yloxy)cyclohex-1-ene-1-carboxylate
CUSTOM SYNTHESISRS-O001056 -
Ethyl (3R,4R,5S)-4-acetamido-5-(diallylamino)-3-(pentan-3-yloxy)cyclohex-1-ene-1-carboxylate
CUSTOM SYNTHESISRS-O001017 -
Ethyl 3,4-O-isopropylideneshikimate
IN STOCKRS-O001022 -
Ethyl 4,5-diacetamido-3-(pentan-3-yloxy)cyclohex-1-ene-1-carboxylate
IN STOCKRS-O001082 -
Ethyl 4-Amino-3-hydroxybenzoate
CUSTOM SYNTHESISRS-P012431 -
Ethyl 5-amino-4-acetamido-3-(pentan-3-yloxy)cyclohex-1-ene-1-carboxylate
IN STOCKRS-Z401MDP -
Methyl 4-acetamido-5-amino-3-(pentan-3-yloxy)cyclohex-1-ene-1-carboxylate
IN STOCKRS-P140127 -
Methylglyoxal (40wt.% in H2O)
IN STOCKRS-U094375 -
Oseltamivir Citric Acid Adduct
IN STOCKRS-Z401GRR -
Oseltamivir Citric Acid Dehydrate
CUSTOM SYNTHESISRS-O001076 -
Oseltamivir Fructose Adduct 5
IN STOCKRS-U019155 -
Oseltamivir N-D-Glucitol
BACK ORDERRS-O001065 -
Oseltamivir-[D3] Acid
IN STOCKRS-I104036 -
Oseltamivir-d3 Solution in Acetonitrile
IN STOCKRS-I104005 -
Oseltamivir-d5
IN STOCKRS-I104099 -
Oseltamivir-d5 Hydrochloride
CUSTOM SYNTHESISRS-O001064 -
Triethyl Orthoformate (BSC)
IN STOCKRS-U087068 -
Oseltamivir Impurity 17
IN STOCKRS-O001025 -
Oseltamivir Impurity 26
IN STOCKRS-O001032 -
Oseltamivir Impurity 29
IN STOCKRS-O001026 -
Oseltamivir Impurity 32
IN STOCKRS-Z412QAG -
Oseltamivir Impurity 35
IN STOCKRS-Z395ONH -
Oseltamivir Impurity 48
IN STOCKRS-O001061 -
Oseltamivir Impurity 49 (651324-05-9)
CUSTOM SYNTHESISRS-O001075 -
Oseltamivir Impurity 60
IN STOCKRS-U019133 -
Oseltamivir Impurity 62
IN STOCKRS-O001002 -
Oseltamivir Impurity 66
IN STOCKRS-O001035 -
Oseltamivir Impurity 74
BACK ORDERRS-I001A1R -
Oseltamivir Impurity 80
CUSTOM SYNTHESISRS-Z412SK7 -
Oseltamivir Impurity 82
IN STOCKRS-O001043 -
Oseltamivir Impurity 106
CUSTOM SYNTHESISRS-O001006 -
Oseltamivir Impurity 107
IN STOCKRS-O001048 -
Oseltamivir Impurity 109
BACK ORDERRS-O001045 -
Oseltamivir Impurity 113
IN STOCKRS-I001BCI -
Oseltamivir Impurity 114
BACK ORDERRS-I001693 -
Oseltamivir Impurity 122
IN STOCKRS-O001063 -
Oseltamivir Impurity 126
CUSTOM SYNTHESISRS-I001AFF -
Oseltamivir Impurity 128
BACK ORDERRS-I001BF0 -
Oseltamivir Impurity 132
BACK ORDERRS-O001008 -
Oseltamivir Impurity 133
CUSTOM SYNTHESISRS-O001049 -
Oseltamivir Impurity 138
IN STOCKRS-I001ALH -
Oseltamivir Impurity 142
IN STOCKRS-I001BTV -
Oseltamivir Impurity 142(Hydrochloride)
BACK ORDERRS-O001058 -
Oseltamivir Impurity 154
IN STOCKRS-O001051 -
Oseltamivir Impurity 165
IN STOCKRS-I001ACN -
Oseltamivir Impurity 168
BACK ORDERRS-I001BRY -
Oseltamivir Impurity 171
IN STOCKRS-O001030 -
Oseltamivir Impurity 176
IN STOCKRS-O001071 -
Oseltamivir Impurity 218 TFA
IN STOCKRS-I001BQ6 -
Oseltamivir Impurity 231
CUSTOM SYNTHESISRS-I001BSM -
Oseltamivir Impurity 266
IN STOCKRS-O001047 -
Oseltamivir Impurity 274
IN STOCKRS-O001072 -
Oseltamivir Impurity 275
IN STOCKRS-O001079 -
Oseltamivir impurity 276
IN STOCKRS-I001ABN -
Oseltamivir Impurity 290
CUSTOM SYNTHESISRS-O001034 -
Oseltamivir impurity 296
IN STOCKRS-Z401F2H -
Oseltamivir Impurity 302
CUSTOM SYNTHESISRS-O001014 -
Oseltamivir Impurity 303
IN STOCKRS-O001027 -
Oseltamivir Impurity 304
IN STOCKRS-O001028 -
Oseltamivir Impurity 305
IN STOCKRS-O001073 -
Oseltamivir Impurity 310
IN STOCKRS-U096678 -
Oseltamivir Impurity 334
IN STOCKRS-I009079 -
Oseltamivir Impurity 335
CUSTOM SYNTHESISRS-O001001 -
Oseltamivir Impurity 336
CUSTOM SYNTHESISRS-O001019 -
Oseltamivir Impurity 337
IN STOCKRS-O001020 -
Oseltamivir Impurity 338
IN STOCKRS-O001021 -
Oseltamivir Impurity 339
IN STOCKRS-O001024 -
Oseltamivir Impurity 340
CUSTOM SYNTHESISRS-O001046 -
Oseltamivir Impurity 341
IN STOCKRS-O001052 -
Oseltamivir Impurity 342
IN STOCKRS-O001053 -
Oseltamivir Impurity 343
IN STOCKRS-O001062 -
Oseltamivir Impurity 344
IN STOCKRS-O001066 -
Oseltamivir Impurity 345
IN STOCKRS-O001070 -
Oseltamivir Impurity 346
IN STOCKRS-O001074 -
Oseltamivir Impurity 380
IN STOCKRS-P006135 -
Oseltamivir Impurity 381
IN STOCKRS-U019134 -
Oseltamivir Impurity 382
CUSTOM SYNTHESISRS-U096199 -
Oseltamivir Impurity 397
BACK ORDERRS-U096647
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.















![Chemical structure of (1R,5S,6R)-rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Ethyl Ester](/structures/w4/XZXCGRFGEVXWIT-XQQFMLRXSA-N.webp?v=8)
![Chemical structure of (1R,5S,6S)-ethyl 5-(pentan-3-yloxy)-7-oxabicyclo[4.1.0]hept-2-ene-3-carboxylate](/structures/w4/ISRFWAGSHNREBE-XQQFMLRXSA-N.webp?v=8)
![Chemical structure of (1S,5R,6R)-ethyl 5-(pentan-3-yloxy)-7-azabicyclo[4.1.0]hept-3-ene-3-carboxylate](/structures/w4/HPKPKUHYXGQYRO-YNEHKIRRSA-N.webp?v=8)
![Chemical structure of (1S,5S,6S)-Ethyl 5-(pentan-3-yloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate](/structures/w4/XZXCGRFGEVXWIT-RWMBFGLXSA-N.webp?v=8)
![Chemical structure of (3aR,7R,7aR)-Ethyl 2,2-Diethyl-7-((methylsulfonyl)oxy)-3a,4,7,7a-tetrahydrobenzo[d][1,3]dioxole-5-carboxylate](/structures/w4/KLRUSSWZRFBVFQ-JHJVBQTASA-N.webp?v=8)
![Chemical structure of (3aS,7aR)-Ethyl 7-hydroxy-2,2-dimethyl-3a,6,7,7a-tetrahydrobenzo[d][1,3]dioxole-5-carboxylate](/structures/w4/DVZBDRSLVXJCIC-GGCSAXROSA-N.webp?v=8)
















![Chemical structure of (S)-α,α-Bis[3,5-di(trifluoromethyl)phenyl]-O-(trimethylsilyl)pyrrolidine-2-methanol](/structures/w4/MOHRGTBNEJKFMB-IBGZPJMESA-N.webp?v=8)





![Chemical structure of Ethyl (1R,5R,6R)-7-(tert-butyl)-5-(pentan-3-yloxy)-7-azabicyclo[4.1.0]hept-3-ene-3-carboxylate](/structures/w4/UXYQFYXXRVMJMV-OJEBHDCCSA-N.webp?v=8)
![Chemical structure of ethyl (1S,5R,6R)-5-hydroxy-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate](/structures/w4/UAFHUMBBORXHIV-GJMOJQLCSA-N.webp?v=8)



















![Chemical structure of Methyl (1S,5R,6S)-5-(pentan-3-yloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate](/structures/w4/BWNDCLRNSUNXGU-QJPTWQEYSA-N.webp?v=8)








![Chemical structure of Oseltamivir-[D3] Acid](/structures/w4/NENPYTRHICXVCS-HCNPJKKLSA-N.webp?v=8)



![Chemical structure of rel-Ethyl (1R,5S,6R)-5-(1-methylbutoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate](/structures/w4/QAJAEZLNKJNVLK-PLKNYFGKSA-N.webp?v=8)






















































