Butanedioic acid, 2-sulfo-, 1,4-bis(1-methylheptyl) ester, sodium salt CAS 20727-33-7
| CAS No. | 20727-33-7 |
| Molecular Formula | C20H37O7S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Butanedioic acid, 2-sulfo-, 1,4-bis(1-methylheptyl) ester, sodium salt.
CATO supplies Butanedioic acid, 2-sulfo-, 1,4-bis(1-methylheptyl) ester, sodium salt (CAS 20727-33-7), a certified reference material (molecular formula C20H37O7SNa, MW 444.56 g/mol) for analytical method development and quality control.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, Butanedioic acid, 2-sulfo-, 1,4-bis(1-methylheptyl) ester, sodium salt is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 444.56 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Butanedioic acid, 2-sulfo-, 1,4-bis(1-methylheptyl) ester, sodium salt meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H37O7S Na |
| Molecular Weight | 444.56 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 1962 |
| Sulfur Atoms | 1 |
Related Butanedioic Standards
- Butanedioic acid, 1-[2-[(1-oxo-2-propen-1-yl)oxy]ethyl] ester, polymer with butyl 2-propenoate, ethenylbenzene and methyl 2-methyl-2-propenoate (CAS 103885-38-7)
- Butanedioic acid, 2-hydroxy-, calcium salt, hydrate (1:1:1) (CAS 1138140-78-9)
- Butanedioic acid, 1-(1,1-dimethylethyl) 4-(2,5-dioxo-1-pyrrolidinyl) ester (CAS 138833-93-9)
- Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, 1,1′-(1,4-phenylenedi-2,1-ethanediyl) 4,4′-diethyl ester (CAS 1402918-72-2)
- 144860-68-4 Butanedioic acid, 1-[(1S,2E,4E)-1-[(2R,5S,7R,8S)-2-butyl-7-[(2E,4E,6S,7S,8E)-9-carboxy-6-hydroxy-3,7-dimethyl-2,4,8-nonatrien-1-yl]-8-methyl-1,6-dioxaspiro[4.5]dec-2-yl]-5-carboxy-4-methyl-2,4-pentadien-1-yl] ester (CAS 144860-68-4)
- 144860-69-5 Butanedioic acid, 1-[(2S,3R,6S,8R,9S)-8-[(2E,4E,6S,7S,8E)-9-carboxy-6-hydroxy-3,7-dimethyl-2,4,8-nonatrien-1-yl]-2-[(1E,3E)-4-carboxy-3-methyl-1,3-butadien-1-yl]-9-methyl-3-(3-methylbutyl)-1,7-dioxaspiro[5.5]undec-3-yl] ester (CAS 144860-69-5)
- Butanedioic Acid 1-[16,16-Bis(4-methoxyphenyl)-3,3-dioxido-7-oxo-16-phenyl-6,15-dioxa-3-thia-8-azahexadec-1-yl] Ester (CAS 178261-45-5)
- Butanedioic acid, 2-sulfo-, sodium salt (CAS 20526-58-3)
Recommended Standards
- 3,4-Dichloro-5-methylbenzamide (CAS 1804896-21-6)
- 3-(Propylamino)pyrrolidine-2,5-dione (CAS 474766-30-8)
- 1-Methylamino-1-phenylpropane hydrochloride (CAS 76605-79-3)
- 8-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-naphthonitrile (CAS 1446781-41-4)
- (2E)-N-(4-Ethoxyphenyl)-3-(3-nitrophenyl)prop-2-enamide (CAS 1615697-48-7)
- OtBu-Ste-L-Glu（AEEA-AEEA-AEEA）-OtBu (CAS CATO-C4X-2226168)
- 5-Chloro-1-(1,1-dioxidotetrahydrothiophen-3-yl)-3-ethyl-1H-pyrazole-4-carboxylic acid (CAS 1152972-29-6)
- 3-(Benzenesulfonyl)-4,6-dimethyl-1,2-dihydropyridin-2-one (CAS 113123-43-6)
- 5-Azaspiro[3.5]nonan-8-ol (CAS 1369162-15-1)
- Polyphemusin II-Derived Peptide (CAS 229030-20-0)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com