105593-16-6

• 

• Basic information

  1. Product Name: 4aα,7,9β-Trihydroxy-1-methyl-8-methylenegibbane-1α,10β-dicarboxylic acid 1,4a-lactone
  2. Synonyms: 15β-Hydroxygibberellin A20;4aα,7,9β-Trihydroxy-1-methyl-8-methylenegibbane-1α,10β-dicarboxylic acid 1,4a-lactone;Gibberellin A67
  3. CAS NO:105593-16-6
  4. Molecular Formula: C19H24O6
  5. Molecular Weight: 348.39026
  6. EINECS: N/A
  7. Product Categories: N/A
  8. Mol File: 105593-16-6.mol
  9. Article Data: 2

• Chemical Properties

  1. Melting Point: N/A
  2. Boiling Point: 624.3±55.0 °C(Predicted)
  3. Flash Point: N/A
  4. Appearance: /
  5. Density: 1.45±0.1 g/cm3(Predicted)
  6. Refractive Index: N/A
  7. Storage Temp.: N/A
  8. Solubility: N/A
  9. PKA: 4.05±0.70(Predicted)
  10. CAS DataBase Reference: 4aα,7,9β-Trihydroxy-1-methyl-8-methylenegibbane-1α,10β-dicarboxylic acid 1,4a-lactone(CAS DataBase Reference)
  11. NIST Chemistry Reference: 4aα,7,9β-Trihydroxy-1-methyl-8-methylenegibbane-1α,10β-dicarboxylic acid 1,4a-lactone(105593-16-6)
  12. EPA Substance Registry System: 4aα,7,9β-Trihydroxy-1-methyl-8-methylenegibbane-1α,10β-dicarboxylic acid 1,4a-lactone(105593-16-6)

• 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: 105593-16-6(Hazardous Substances Data)

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• SDS
• Upstream product
• Downstream Products
• Article

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105593-16-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105593-16-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,5,9 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 105593-16:
(8*1)+(7*0)+(6*5)+(5*5)+(4*9)+(3*3)+(2*1)+(1*6)=116
116 % 10 = 6
So 105593-16-6 is a valid CAS Registry Number.

105593-16-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name	ent-10β,13,15α-trihydroxy-20-norgibberell-16-ene-7,19-dioic acid 19,10-lactone

1.2 Other means of identification

Product number	-
Other names	15β-hydroxy-GA20

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:105593-16-6 SDS

105593-16-6Upstream product

• 139113-38-5 ent-13-acetoxy-3,10β-dihydroxy-20-norgibberell-16-ene-17,19-dioic acid 7-methyl ester 19,10-lactone 3-S-methyl dithiocarbonate 
• 105593-05-3 ent-13-acetoxy-10β,15β-dihydroxy-20-norgibberell-16-ene-7,19-dioic acid 7-methyl ester 19,10-lactone 
• 75885-03-9 gibberellin A₂₀ methyl ester 13-acetate 
• 105593-10-0 ent-13-acetoxy-10β-hydroxy-15-oxo-20-norgibberell-16-ene-7,19-dioic acid 7-methyl ester 19,10-lactone 
• 105593-15-5 ent-13-acetoxy-10β,15α-dihydroxy-20-norgibberell-16-ene-17,19-dioic acid 7-methyl ester 19,10-lactone 

105593-16-6Downstream Products

105593-16-6Relevant articles and documents

Hydrolysis of Gibberellin 7-Methyl Esters: Anchimeric Assistance by a 15-Alcohol

Castellaro, Simon J.,MacMillan, Jake,Willis, Christine L.

, p. 2999 - 3004 (2007/10/02)

The neighbouring group effects of 15α- and 15β-hydroxy groups on the rate of hydrolysis of gibberellin 7-methyl esters are described.The presence of a 15-alcohol increases the rate of ester hydrolysis and a 15α- has a greater influence than a 15β-alcohol.The 15α-alcohol may be effective either through hydrogen bonding between the hydroxy proton and the ester carbonyl thus stabilising the tetrahedral intermediate formed on hydrolysis of the ester, or via 7,15α-lactonisation followed by hydrolysis of the lactone.The 15β-hydroxy may act through hydrogen bonding of a water molecule between the proton of the 15β-alcohol and the 7-carbonyl function.The effect is enhanced by the presence of a 13-acetate.

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