Chemicals Reagents P

United States Pharmacopeia (USP) Reference Standard Synonym(s): 5,5-Diphenylhydantoin; 5,5-Diphenyl-2,4-imidazolidinedione; Phenytoin Empirical Formula: C₁₅H₁₂N₂O₂ Formula Weight: 252.27 Linear Formula:...

Synonym(s): p -(Dipropylsulfamoyl)benzoic acid Empirical Formula: C₁₃H₁₉NO₄S Linear Formula: C₁₃H₁₉NO₄S Formula Weight: 285.36 MDL Number: MFCD00038402 Purity: ≥98% (NaOH, titration)

Synonyms: Potassium bichromate CAS Number: 7778-50-9 Formula: Cr2K2O7 Formula Weight: 294.18 Linear Formula: K2Cr2O7 MDL No.: MFCD00011367 Purity: 99.98% trace metals basis Melting Point: 398 C (lit.) EC Number: 231-906-6 UNSPSC Code: 12352302

European Pharmacopoeia (EP) Reference Standard Synonym(s): 4-Methoxyisophthalic acid Empirical Formula: C₉H₈O₅ Formula Weight: 196.16 Linear Formula: CH₃OC₆H₃(CO₂H)₂ MDL Number: MFCD06208422 Melting Point:...

MDL Number: MFCD00081934 Storage: 2-8°C

Synonym(s): NSC 380540; PD 126675;; Ro 03-8799;; alpha-((2-Nitroimidazol-1-yl)methyl)-1-piperidineethanol;; alpha-[(2-Nitro-1H-imidazol-1-yl)methyl]-1-piperidineethanol Empirical Formula: C₁₁H₁₈N₄O₃ Linear Formula:...

Synonyms: Polyvinylpyrrolidone; PVP; Polyvidone; Povidone Formula: (C₆H₉NO)_n CAS No.: 9003-39-8 Other Notes: Polyvinylpyrrolidone is a component of Denhardt′s Solution and is included at a concentration of 1% (w/v) in the standard 50X stock solution.

Synonym(s): Pepsin A; Pepsin from hog stomach MDL Number: MFCD00081840 Storage: −20°C

Synonyms: PVA-DABCO ® Density: 1.08 g/mL at 20 °C Storage Temperature: 2-8°C Physical form: Aqueous solution containing tris(hydroxymethyl)aminom ethane, tris(hydroxymethyl)aminom ethane hydrochloride, polyvinyl alcohol 22000, glycerol, and 1,4-diazabicyclo[2.2.2]oc tane Legal Information:...

Synonym(s): 4f-BiB; Tetrafunctional initiator; Tetrakis(2-bromoisobutyryloxymethyl)methane Empirical Formula: C₂₁H₃₂Br₄O₈ Linear Formula: C₂₁H₃₂Br₄O₈ Formula Weight: 732.09 MDL Number: MFCD16621494 Purity: 97%...

Empirical Formula: C₈H₄N₂O₂ Linear Formula: C₆H₄(NCO)₂ Formula Weight: 160.13 MDL Number: MFCD00002018 Purity: 95% Boiling Point: 121 °C/25 mmHg(lit.) Melting Point: 49-51 °C(lit.) Storage:...

Empirical Formula: Br₂Pt Linear Formula: PtBr₂ Formula Weight: 354.89 MDL Number: MFCD00011180 Purity: 98% Melting Point: 250 °C (dec.)(lit.) Density: 6.65 g/mL at 25 °C(lit.)

CAS No.: 7778-80-5

For updated SDS information please visit www.goodfellow.com Synonyms: ES301450 Legal Information: Product of Goodfellow

Synonym(s): Kryptofix ® 221 Formula: C₁₆H₃₂N₂O₅ Formula Weight: 332.44 CAS No.: 31364-42-8 Purity: 98% Density: 1.111g/mLat 20°C(lit.) Legal Information: Kryptofix is a registered trademark of Merck KGaA Packaging: 1 g in ampule

European Pharmacopoeia (EP) Reference Standard Synonym(s): Phentolamine methanesulfonate salt; 2-( N -[ m -Hydroxyphenyl]- p -toluidinomethyl)imidazoline Empirical Formula: C₁₇H₁₉N₃O -+ CH₄O₃S Formula Weight: 377.46 Linear Formula:...

MDL Number: MFCD00284305 Boiling Point: >250 °C(lit.) Melting Point: <−25 °C(lit.) Density: 1.11 g/mL at 25 °C(lit.) Refractive Index: n 20/D 1.472(lit.)

Synonyms: (4S,4aR,6R,8aS)-8a-(2,4-Difluorophenyl)-4-(fluoromethyl)-4,4a,5,6,8,8a-hexahydro-6-(3-methyl-5-isoxazolyl)-pyrano[3,4-d][1,3]thiazin-2-amine; (4S,4aR,6R,8aS)-8a-(2,4-Difluorophenyl)-4-(fluoromethyl)-6-(3-methyl-1,2-oxazol-5-yl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-amine; PF...

CAS No.: 7440-05-3

Synonym(s): Hexamethyldisilazane potassium salt; Potassium hexamethyldisilazide Formula: [(CH₃)₃Si]₂NK Formula Weight: 199.48 CAS No.: 40949-94-8 UN Number: UN3263 Purity: 95% Application: Anionic initiator used in the preparation of poly(ethylene oxide). Sterically...

Synonym(s): Inorganic Pyrophosphatase; Pyrophosphate phosphohydrolase MDL Number: MFCD00131379 Storage: −20°C

Potassium Iodate, 0.05 M Solution is a chemical compound and oxidizing agent. Spectrum solutions utilize the highest quality raw materials appropriate to your product. Most raw materials meet or exceed the specifications established by the American Chemical Society. Where appropriate, many finished...

Formula: K2CO3 Formula weight: 138.21 Purity: 99.0% min CAS Number: 584-08-7 Harmonized Tariff Code: 2836.40 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements:...

Synonym(s): Methoxy poly(ethylene glycol); Polyethylene glycol monomethyl ether; mPEG Linear Formula: CH₃(OCH₂CH₂)_nOH MDL Number: MFCD00084416 Melting Point: 60-64 °C