138370-97-5 Usage
Structure
Cyclic diester with two carbonyl groups and a double bond
The molecule has a cyclic structure with ester functional groups and carbonyl groups, as well as a carbon-carbon double bond.
Derived from
Dioxane
The compound is synthesized from dioxane, a six-membered cyclic ether.
Applications
Organic synthesis, pharmaceuticals, agrochemicals, fragrances, and flavors
It serves as an important intermediate in the production of various chemicals, including those used in the pharmaceutical, agrochemical, and flavor & fragrance industries.
Health hazards
Potential respiratory and skin irritation
The compound can cause irritation to the respiratory system and skin upon contact, and should be handled with caution.
Precautions
Handle with care
Due to its potential health hazards, it is essential to follow safety protocols and use appropriate protective equipment when working with this compound.
Check Digit Verification of cas no
The CAS Registry Mumber 138370-97-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,3,7 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 138370-97:
(8*1)+(7*3)+(6*8)+(5*3)+(4*7)+(3*0)+(2*9)+(1*7)=145
145 % 10 = 5
So 138370-97-5 is a valid CAS Registry Number.
138370-97-5Relevant articles and documents
On the synthesis of 5-ethyl Meldrum's acid
Akue-Gedu, Rufine,El-Hafidi, Hayate,Rigo, Benoit,Couturier, Daniel
, p. 365 - 369 (2006)
Reductive alkylation of Meldrum's acid with acetaldehyde can give, depending on the experimental conditions, e ither a new dimer (5-[3-(2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-yl)butyl]-2,2-dimethyl-1,3-dioxane-4, 6-dione) or ethyl Meldrum's acid (2,2-dimethyl-1,3-dioxane-4,6-dione). A best way to obtain this latter product is synthesis of 1-ethoxyethylidene Meldrum's acid from reaction of Meldrum's acid with triethyl orthoacetate, followed by a sodium borohydride reduction.
