久久美女高清视频,99久久99久久精品免费看蜜桃,久久久国产精品一区 http://www.mimgu.com The Leading Supplier of China Amine Catalysts Tue, 23 Apr 2024 06:04:15 +0000 zh-CN hourly 1 https://wordpress.org/?v=6.1.7 http://www.mimgu.com/wp-content/uploads/2023/12/1.jpg PREDNISOLONE – Amine Catalysts http://www.mimgu.com 32 32 Prednisolone http://www.mimgu.com/archives/47860 Tue, 23 Apr 2024 06:04:15 +0000 http://www.mimgu.com/archives/47860 Prednisolone structural formula

Structural formula

Business number 013C
Molecular formula C21H28O5
Molecular weight 360.44
label

Prednisolone,

Prednisone,

Dehydrohydrocortisone,

Hydrodeltalone,

Hydrodeltisone,

Hydroretrocortin,

Metacortandralone,

Meticortelone,

Meti-Derm,

Paracortol,

Paracotol,

Precortancyl,

Precortisyl,

Predne-dome,

Prednelan,

Prednis,

Predonin,

Predonine

Numbering system

CAS number:50-24-8

MDL number:MFCD00003649

EINECS number:200-021-7

RTECS number:TU4152000

BRN number:1354103

PubChem number:24898725

Physical property data

1. Properties: White hygroscopic powder, odorless, bitter taste

2. Density (g/mL, 25/4℃): Undetermined

3. Relative Vapor density (g/mL, air=1): Not determined

4. Melting point (oC): 240 °C (dec.)(lit.)

5. Boiling point (oC) oC, normal pressure): Not determined

6. Boiling point (oC, 5.2 kPa): Not determined

7. Refractive index: 100 ° (C=1, Dioxane)

p>

8. Flash point (oC): Undetermined

9. Specific rotation (o): Undetermined

10. Autoignition point or ignition temperature (oC ): Undetermined

11. Vapor pressure (kPa, 25 oC): Undetermined

12. Saturated vapor pressure (kPa, 60 oC): Undetermined

13. Heat of combustion (KJ/mol): Undetermined

14. Critical temperature (oC): Undetermined

15. Critical pressure (KPa): Undetermined

p>

16. The logarithmic value of the oil-water (octanol/water) partition coefficient: Undetermined

17. The upper limit of explosion (%, V/V): Undetermined

18. Lower explosion limit (%, V/V): Undetermined

19. Solubility: Soluble in ethanol, chloroform, propanol, methanol, dioxane, slightly soluble in water

Toxicological data

None

Ecological data

None

Molecular structure data

1. Molar refractive index: 95.48

2. Molar volume (cm3/mol): 274.7

3. Isotonic specific volume (90.2K ): 766.8

4. Surface tension (dyne/cm): 60.7

5. Polarizability (10-24cm3): 37.85

Compute chemical data

1. Hydrophobic parameter calculation reference value (XlogP): 1.6

2. Number of hydrogen bond donors: 3

3. Number of hydrogen bond acceptors: 5

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: 9

6. Topological molecular polar surface area (TPSA): 94.8

7. Number of heavy atoms: 26

8. Surface charge: 0

9. Complexity: 724

10. Number of isotope atoms : 0

11. Determine the number of atomic stereocenters: 7

12. Uncertain number of atomic stereocenters: 0

13. Determine the chemical bond configuration Number of centers: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

None

Storage method

This product should be sealed and stored in a dry place away from light.

Synthesis method

This product can be obtained by elimination of hydrocortisone (dehydrogenation of Arthrobacter biomass).

Purpose

It is suitable for rheumatoid arthritis, rheumatic fever, lupus erythematosus, dermatomyositis, multiple myeloma, etc. It can also be used to prepare hydrogenated prednisone acetate.

extended-reading:http://www.mimgu.com/archives/82
extended-reading:http://www.mimgu.com/archives/1769
extended-reading:https://www.bdmaee.net/wp-content/uploads/2022/08/Dimethyltin-Dichloride-CAS-753-73-1-dimethyl-tin-dichloride.pdf
extended-reading:https://www.bdmaee.net/fentacat-f1-catalyst-cas15875-13-5-solvay/
extended-reading:https://www.bdmaee.net/nt-cat-a-304-catalyst-cas1739-84-0-newtopchem/
extended-reading:https://www.bdmaee.net/dabco-tl-low-odor-tertiary-amine-catalyst-dabco-low-odor-tertiary-amine-catalyst/
extended-reading:http://www.mimgu.com/archives/45050
extended-reading:https://www.bdmaee.net/wp-content/uploads/2022/08/1-3.jpg
extended-reading:https://www.bdmaee.net/wp-content/uploads/2022/08/N-cyclohexyl-N-methylcyclohexylamine-CAS-7560-83-0-N-methyldicyclohexylamine.pdf
extended-reading:http://www.mimgu.com/archives/40045

]]>
主站蜘蛛池模板: 阜康市| 淮阳县| 临湘市| 乌鲁木齐市| 康乐县| 锡林浩特市| 丰都县| 股票| 武宣县| 延川县| 当阳市| 亚东县| 多伦县| 商河县| 汉中市| 琼海市| 岳普湖县| 芜湖市| 驻马店市| 安远县| 汪清县| 敖汉旗| 油尖旺区| 师宗县| 鲁山县| 凉山| 五河县| 惠东县| 盱眙县| 策勒县| 镇平县| 商南县| 华池县| 怀仁县| 宝丰县| 哈密市| 遵义县| 綦江县| 河南省| 宁武县| 尖扎县|