142785-61-3

• 

• Basic information

  1. Product Name: 20-(3-hydroxy-3-methylbutyloxy)pregna-5,7-diene-1,3-diol
  2. Synonyms: 20-(3-hydroxy-3-methylbutyloxy)pregna-5,7-diene-1,3-diol
  3. CAS NO:142785-61-3
  4. Molecular Formula: C₂₆H₄₂O₄
  5. Molecular Weight: 418.61
  6. EINECS: N/A
  7. Product Categories: N/A
  8. Mol File: 142785-61-3.mol
  9. Article Data: 7

• Chemical Properties

  1. Melting Point: N/A
  2. Boiling Point: 580.2°C at 760 mmHg
  3. Flash Point: 304.7°C
  4. Appearance: /
  5. Density: 1.13g/cm³
  6. Vapor Pressure: 7.05E-16mmHg at 25°C
  7. Refractive Index: 1.563
  8. Storage Temp.: N/A
  9. Solubility: N/A
  10. CAS DataBase Reference: 20-(3-hydroxy-3-methylbutyloxy)pregna-5,7-diene-1,3-diol(CAS DataBase Reference)
  11. NIST Chemistry Reference: 20-(3-hydroxy-3-methylbutyloxy)pregna-5,7-diene-1,3-diol(142785-61-3)
  12. EPA Substance Registry System: 20-(3-hydroxy-3-methylbutyloxy)pregna-5,7-diene-1,3-diol(142785-61-3)

• Safety Data

  1. Hazard Codes: N/A
  2. Statements: N/A
  3. Safety Statements: N/A
  4. WGK Germany:
  5. RTECS:
  6. HazardClass: N/A
  7. PackingGroup: N/A
  8. Hazardous Substances Data: 142785-61-3(Hazardous Substances Data)

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• Usage
• SDS
• Upstream product
• Downstream Products
• Article

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• 20-(3-HYDROXY-3-METHYLBUTYLOXY)PREGNA-5,7-DIENE-1,3-DIOL

  Cas No: 142785-61-3

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142785-61-3 Usage

Type

Steroid hormone

Synthesis

Derived from cholesterol in adrenal glands, gonads, and placenta.

Physiological Functions

Regulation of various physiological processes
Anti-inflammatory properties
Immunosuppressive effects
Regulation of metabolism
Regulation of salt and water balance
Response to stress
Roles in fetal development
Maintenance of pregnancy

Medical Uses

Treatment of autoimmune diseases, allergic reactions, certain types of cancer.

Importance in Reproductive Health

Crucial for fetal development and maintenance of pregnancy.

Check Digit Verification of cas no

The CAS Registry Mumber 142785-61-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,7,8 and 5 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 142785-61:
(8*1)+(7*4)+(6*2)+(5*7)+(4*8)+(3*5)+(2*6)+(1*1)=143
143 % 10 = 3
So 142785-61-3 is a valid CAS Registry Number.

InChI:InChI=1/C26H42O4/c1-16(30-13-12-24(2,3)29)20-8-9-21-19-7-6-17-14-18(27)15-23(28)26(17,5)22(19)10-11-25(20,21)4/h6-7,16,18,20-23,27-29H,8-15H2,1-5H3/t16?,18?,20-,21+,22+,23?,25-,26+/m1/s1

142785-61-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name	1α,3β-dihydroxy-20(S)-(3-hydroxy-3-methylbutyloxy)pregna-5,7-diene

1.2 Other means of identification

Product number	-
Other names	(1S,3R,20S)-20-(3-hydroxy-3-methylbutoxy)pregna-5,7-diene-1,3-diol

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:142785-61-3 SDS

142785-61-3Upstream product

• 1112-67-0 tetrabutyl-ammonium chloride 
• 103909-78-0 1α,3β-bis(tert-butyldimethylsilyloxy)-20(S)-(3-hydroxy-3-methylbutyloxy)pregna-5,7-diene 
• 152397-54-1 (1S,3R,20S)-1,3-bis(tert-butyldimethylsilyloxy)-20-(3-hydroxy-3-methylbuthyloxy)pregn-5-ene 
• 1120-79-2 1-bromomethyl-2,2-dimethyloxirane 
• 143101-51-3 (17Z)-(1S,3R)-1,3-bis(tert-butyldimethylsilyloxy)pregna-5, 17-dien 
• 111594-61-7 1α,3β-bis<(tert-butyldimethylsilyl)oxy>androst-5-en-17-one 
• 115-18-4 2-methyl-3-buten-2-ol 
• 870-63-3 prenyl bromide 
• 20998-18-9 1α,3β-dihydroxy-androst-5-en-17-one 
• 854481-65-5 1α,3β-bis(t-butyldimethylsilyloxy)-20S-(3-oxobutyloxy)-5-pregnene 
• 204332-10-5 (1S,3R,20S)-1,3-bis(tert-butyldimethylsilyloxy)-20-(2,3-epoxy-3-methylbutyloxy)pregn-5-ene 
• 137589-77-6 1α,3β-bis(tert-butyldimethylsilyloxy)-20(S)-(2-ethyloxycarbonylethyloxy)pregna-5,7-diene 
• 103909-77-9 1α,3β-bis(tertbutyldimethylsilyloxy)-20α-(3-oxobutyloxy)-5,7-pregnadiene 
• 142867-57-0 1α,2α-epoxy-3β-hydroxy-20(S)-(3-hydroxy-3-methylbutyloxy)pregna-5,7-diene 

142785-61-3Downstream Products

• 142927-18-2 (6Z)-(1S,3R,20S)-20-(3-hydroxy-3-methylbutoxy)-9,10-secopregna-5⁽¹⁰⁾,6,8-triene-1,3-diol 
• 143773-33-5 (5Z,7E)-(1S,3R)-1,25-dihydroxy-22-oxa-9,10-secocholesta-5,7,10⁽¹⁹⁾-trien-3-yl (2',2',2'-trichloroethylglutarate) 
• 143773-34-6 (5Z,7E)-(1S,3R)-1,25-dihydroxy-22-oxa-9,10-secocholesta-5,7,10⁽¹⁹⁾-trien-3-yl hemiglutarate 
• 103909-75-7 maxacalcitol 

142785-61-3Relevant articles and documents

An Improved Procedure for Retro-Cycloaddition of Adducts from Steroidal 5,7-Dienes and 4-Phenyl-1,2,4-triazoline-3,5-dione

Kubodera, Noboru,Miyamoto, Katsuhito,Watanabe, Hiroyoshi,Kato, Masahiro,Sasahara, Kazuo,Ochi, Kiyoshige

, p. 5019 - 5020 (1992)

-

Industrial synthesis of maxacalcitol, the antihyperparathyroidism and antipsoriatic vitamin D3 analogue exhibiting low calcemic activity

Shimizu, Hitoshi,Shimizu, Kazuki,Kubodera, Noboru,Mikami, Tetsuhiro,Tsuzaki, Kaname,Suwa, Hiroyuki,Harada, Koji,Hiraide, Akira,Shimizu, Motoki,Koyama, Kaichiro,Ichikawa, Yoshihide,Hirasawa, Daisuke,Kito, Yasushi,Kobayashi, Mio,Kigawa, Masaharu,Kato, Masahiro,Kozono, Toshiro,Tanaka, Hideki,Tanabe, Makoto,Iguchi, Masanori,Yoshida, Mitsutaka

, p. 278 - 287 (2012/12/24)

Maxacalcitol, the 22-oxa-derivative of 1α,25-dihydroxyvitamin D 3 and used currently as an antihyperparathyroidism and antipsoriatic drug, has been synthesized in seven chemical steps from 1α- hydroxydehydroepiandrosterone on the basis of our previously developed route. The present synthesis allows the production of the protected form of the penultimate intermediate in 26% overall yield in a kilogram scale reaction employing neither difficult reaction conditions nor chromatographic purification, having overcome all the difficulties involved in the previous route.

Synthesis of tritiated 1α,25-dihydroxy-22-oxavitamin D3

Watanabe,Akiyama,Kawanishi,Kubodera

, p. 645 - 654 (2007/10/02)

Synthesis of two tritiated 1α,25-dihydloxy-22-oxavitamin D3 (OCT), [26-3H3]OCT (3) and [2β-3H]OCT (4), is described. [26-3H3]OCT (3) was prepared by tritiation at the side chain with tritia

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