Riboflavin, ACS, Vitamin B2 – CAS 83-88-5
€ 132.00
Additional information
| Weight | 25 g |
|---|---|
| product name | Riboflavin, ACS, Vitamin B2 |
| synonyms | Vitamin B2, |
| product origin | 100% made in European Union (according to USP, EUP, ECHA-REACH) |
| purity grade | >100% (raw virgin matter, ultra-pure, concentrated, sterilized) |
| use | lab. / tech. / bio-research / small molecule / molecular biology |
| product code | EC0322 |
| C.A.S. number | 83-88-5 |
| MDL | MFCD00005022 |
| EINECS | 201-507-1 |
| ID PubChem substance | 329751041 |
| formula molecular | C17H20N4O6 |
| formula weight | 376.36 |
| melting point | 290 °C (lit.) |
| loss on drying | =<1.5 % (105°C) |
| material to avoid | strong oxidizing agents; |
| pH | 5.5 to7.2 (0.07 g/L water at 20 °C) |
| water solubility | 0.07 at 20 °g/L at 20 °C |
| decomposition temp. | 290 °C |
| decomposition products | Carbon monoxide (CO); |
| stability | light sensitive |
| ration of absorbances | lumiflavine: passes test |
| UV spectrophotometry | >=97.5 % (lambda max. 444 nm) |
| specific optical rotation | -115° to -135° (20°C, 589 nm) (c=0.5,0.05M NaOH) |
| ratio of absorbances | 0.36 to 0.39 (A444/A267) |
| infrared spectrum | conforms |
| sulfated ash | =<0.1 % |
| sensitivity & storage | ambient temperatures |
| assay | >99.99% to <102.5% |
| appearance (color) | yellow to orange |
| form | powder |
| description | Riboflavin reference standard for use in specified quality tests and assays ; also used to prepare standard, and standard stock Riboflavin solution for assay, identification, and performance test |
| note (1) | sales restrictions may apply |
| note (2) | <span style="font-weight:700; color:red;"> this product is for research use only, is not to be used for therapeutic ; not intended for animal or human or diagnostic or therapeutic use , and cannot be sold to patients.</span> |
| note (3) | described price of the product is NOT NEGOTIABLE , already around 25% lower than the official price of the International Chemical Stock Exchange / ICIS . <span style="color:red; font-weight:700; font-size:1.5em;">*</span> <span style="font-weight:700;">Possible additional discount for large quantity orders .</span> |
| packaging / transport | special for chemical transport (according to IATA / ADR / ECHA-REACH rules / int.l laws) . |
| certifications | C.O.A., MSDS, GMP, API, USP, EUP, ECHA-REACH, ORIGIN, etc… (originals will be delivered with good , and copies after confirmed order) |
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