Name | Specifications | Packing | Price | Delivery |
Riboflavin Sodium phosphate | USP級 | 100g | RMB 3025 | 現(xiàn)貨 |
Riboflavin Sodium phosphate | USP級 | 25g | RMB 748 | 促銷 |
Riboflavin Sodium phosphate | USP級 | 5g | RMB 291.5 | 現(xiàn)貨 |
Riboflavin Sodium phosphate | 93% | 25g | RMB 858 | 現(xiàn)貨 |
Riboflavin Sodium phosphate | 93% | 5g | RMB 220 | 促銷 |
純度Purity (以干基計) ≥93.0% (UV )
水溶性實驗Solubility in Water 溶液透明
比旋光度Specific rotation [a]20/D +38.0 to +43.0 deg(C=1.5, 5mol/L HCl)(以干基計)
吸光率:
abs-ratio(a/b) 2.45 - 2.75(E260/E375)
abs-ratio(2a/2b) 2.06 - 2.36(E260/E445)
abs-ratio(3a/3b) 0.80 - 0.90(E375/E445)
水分Water ≤ 10.0 %
品級Grade USP級
鑒別試驗IDENTITY PASS
比旋光度Specific rotation [a]20/D +37.0°~ +42.0°(C=2, 5mol/L HCl)
PH TEST 5.0 TO 6.5 (1% SOLUTION)
干燥損失LOSS ON DRYING ≤ 7.5%
灼燒殘渣RESIDUE ON IGNITION ≤25.0%
游離磷酸鹽FREE PHOSPHATE PASS
游離核素素及其二磷酸鹽FREE RIBOFLAVIN AND RIBOFLAVIN DIPHOSPHATE
≤6.0% OF EACH (DRY BASIS)
LIMIT OF LUMIFLAVIN PASS
溶劑殘渣RESIDUAL SOLVENTS MEETS THE REQUIREMENTS
核黃素RIBOFLAVIN 73.0% ~ 79.0%
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