Product name:Vitamin B4
CAS: 70700-30-0
Molecular Formula: Vitamin B4
Molecular Weight: 233.12
Product description:White needle crystal. 220 ℃ sublimation, 220-360 ℃. Soluble in acid and alkali, slightly soluble in alcohol, insoluble in ether and chloroform. Aqueous solution is neutral. Has strong salty. By 4, 6 - dichloro - 5 - nitro pyridine with ammonia ammoniation amino - 5-4, 6-2 nitro pyrimidine, again with formic acid, formyl ammonia and sodium thiosulfate cyclization. Is mainly used to take part in the synthesis of DNA and RNA, used in radiotherapy, antitumor and benzene poisoning caused by white blood cells reduce disease, used for acute granulocytopenia disease, medicine and biochemical research.
2018年11月27日星期二
Vitamin B6
Product name:Vitamin B6
CAS: 8059-24-3
Molecular Formula: C8H10NO5P
Molecular Weight: 231.14
Product description:With plain B6 hydrochloride for white or white crystalls or crystal powder; Odourless, taste bitter, acid in alkaline solution, are susceptible to damage in case of light or high temperature. By a mixture of ethanol and acetone recrystallization, tabular or columnar crystals. In 206 ℃ melting and part of the decomposition.
CAS: 8059-24-3
Molecular Formula: C8H10NO5P
Molecular Weight: 231.14
Product description:With plain B6 hydrochloride for white or white crystalls or crystal powder; Odourless, taste bitter, acid in alkaline solution, are susceptible to damage in case of light or high temperature. By a mixture of ethanol and acetone recrystallization, tabular or columnar crystals. In 206 ℃ melting and part of the decomposition.
Vitamin C
Product name:Vitamin C
CAS: 50-81-7
Molecular Formula: C6H8O6
Molecular Weight: 176.12
Product description:White or slightly yellowish crystalls or crystal powder, odourless, has a sour taste. Melting point of 190 ~ 192 ℃, polarimetric alpha D20 = + 21 ° ~ + 22 °. Soluble in water, soluble in ethanol, insoluble in chloroform, ether and benzene. 5% of the aqueous solution Ph value of 2.2 ~ 2.2. In dry air is stable, its aqueous solution is not stable, especially in the neutral or alkaline solution was quickly oxidation, with light, heat and copper, iron and other metal ions will be accelerated oxidation.
CAS: 50-81-7
Molecular Formula: C6H8O6
Molecular Weight: 176.12
Product description:White or slightly yellowish crystalls or crystal powder, odourless, has a sour taste. Melting point of 190 ~ 192 ℃, polarimetric alpha D20 = + 21 ° ~ + 22 °. Soluble in water, soluble in ethanol, insoluble in chloroform, ether and benzene. 5% of the aqueous solution Ph value of 2.2 ~ 2.2. In dry air is stable, its aqueous solution is not stable, especially in the neutral or alkaline solution was quickly oxidation, with light, heat and copper, iron and other metal ions will be accelerated oxidation.
Vitamin D2
Product name:Vitamin D2
CAS: 50-14-6
Molecular Formula: C28H44O
Molecular Weight: 396.6484
Product description:Colorless needle crystal or white crystalline powder; Odourless, tasteless; With light or air are perishable. For the prevention and treatment of vitamin D deficiency, chronic hypocalcemia, low phosphorus, rickets and osteomalacia associated with chronic renal insufficiency, familial low phosphorus and low parathyroid function (postoperative parathyroid function), idiopathic or sham treatment, used in the treatment of acute and chronic and potential tetany disease and idiopathic tetany after surgery.
CAS: 50-14-6
Molecular Formula: C28H44O
Molecular Weight: 396.6484
Product description:Colorless needle crystal or white crystalline powder; Odourless, tasteless; With light or air are perishable. For the prevention and treatment of vitamin D deficiency, chronic hypocalcemia, low phosphorus, rickets and osteomalacia associated with chronic renal insufficiency, familial low phosphorus and low parathyroid function (postoperative parathyroid function), idiopathic or sham treatment, used in the treatment of acute and chronic and potential tetany disease and idiopathic tetany after surgery.
Uranyl acetate
Product name:Uranyl acetate
CAS: 541-09-3
Molecular Formula: UO2(CH3COO)2
Molecular weight:424.146
Appearance:yellow-green crystals
Purity:99%
Storage:Avoid exposure to sunlight,Keep dry
Product description :Commercial preparations of uranyl acetate are usually made from depleted uranium and are prepared by reacting metallic uranium with acetic acid.
CAS: 541-09-3
Molecular Formula: UO2(CH3COO)2
Molecular weight:424.146
Appearance:yellow-green crystals
Purity:99%
Storage:Avoid exposure to sunlight,Keep dry
Product description :Commercial preparations of uranyl acetate are usually made from depleted uranium and are prepared by reacting metallic uranium with acetic acid.
Uniconazole
Product Name: Uniconazole
Cas No:83657-22-1
Molecular formula: C15H18ClN3O
Molecular Weight: 291.78
Appearance: White crystal solid
Metling point:147-164°C,
Description:
Uniconazole is plant growth regulator, systemic and conductive upward, and whose E-type activity is 10 times more that of paclobutrazol.lt has the effects of dwarfing crop plants. Resisting to lodging of crops, facilitating the formation of flower bud and raising crop yield, etc.Being used in crops such as rice, wheat, tillering can be increased, plant height can be controlled, resistance ability of loding can be enhanced.
Cas No:83657-22-1
Molecular formula: C15H18ClN3O
Molecular Weight: 291.78
Appearance: White crystal solid
Metling point:147-164°C,
Description:
Uniconazole is plant growth regulator, systemic and conductive upward, and whose E-type activity is 10 times more that of paclobutrazol.lt has the effects of dwarfing crop plants. Resisting to lodging of crops, facilitating the formation of flower bud and raising crop yield, etc.Being used in crops such as rice, wheat, tillering can be increased, plant height can be controlled, resistance ability of loding can be enhanced.
Urokinase
Product name:Urokinase
CAS: 9039-53-6
Molecular Formula: C21H25BrN2O3
Molecular Weight: 433.35
Product description:This product in pharmacokinetic characteristics in the human body has not been fully elucidated. This vein to the liver after rapid removal, plasma half-life is not more than 20 minutes. A small amount of drugs by bile and urine. Patients with cirrhosis of the liver and liver function damage to extend its half-life.Used in artificial heart valve to prevent thrombosis after the operation, keep blood vessels, and chest intubation and pericardial cavity drainage tube patency, etc. The curative effect of thrombolysis for subsequent heparin anticoagulation to maintain them.
CAS: 9039-53-6
Molecular Formula: C21H25BrN2O3
Molecular Weight: 433.35
Product description:This product in pharmacokinetic characteristics in the human body has not been fully elucidated. This vein to the liver after rapid removal, plasma half-life is not more than 20 minutes. A small amount of drugs by bile and urine. Patients with cirrhosis of the liver and liver function damage to extend its half-life.Used in artificial heart valve to prevent thrombosis after the operation, keep blood vessels, and chest intubation and pericardial cavity drainage tube patency, etc. The curative effect of thrombolysis for subsequent heparin anticoagulation to maintain them.
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