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1238-98-8

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1238-98-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1238-98-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,3 and 8 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1238-98:
(6*1)+(5*2)+(4*3)+(3*8)+(2*9)+(1*8)=78
78 % 10 = 8
So 1238-98-8 is a valid CAS Registry Number.

1238-98-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name lambertianic acid methyl ester

1.2 Other means of identification

Product number -
Other names methyl lambertianate

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:1238-98-8 SDS

1238-98-8Relevant articles and documents

Haeuser et al.

, p. 205,208,209,211 (1961)

In vitro platelet-activating factor receptor binding inhibitory activity of pinusolide derivatives: A structure-activity study

Han, Byung Hoon,Yang, Hyun Ok,Kang, Young-Hwa,Suh, Dae-Yeon,Go, Hyun Jung,Song, Wan-Jin,Kim, Yong Chul,Park, Man Ki

, p. 2626 - 2630 (2007/10/03)

Pinusolide, a labdane-type diterpene lactone isolated from Biota orientalis, was found to be a potent platelet-activating factor (PAF) receptor binding antagonist. To investigate the structure-activity relationship and find derivatives with improved pharmacological profiles, 17 pinusolide derivatives were prepared and tested for their ability to inhibit the PAF receptor binding. The results demonstrated that the carboxymethyl ester group at C-19, the integrity of the α,β-unsaturated butenolide ring, and the exocyclic olefinic function of pinusolide are all necessary for its maximum PAF receptor binding inhibitory activity. Among the derivatives, the 17-nor-8-oxo derivative 8 was found to be as potent as pinusolide. The results also suggested that several derivatives warrant further pharmaceutical and pharmacological studies due to their improved water solubility (8 and 11) and apparent lack of susceptibility to Michael-type nucleophilic addition (13 and 18).

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