138768-00-0 Usage
Appearance
Yellow liquid
Odor
Pungent
Synonyms
2-Ethynyl-2-methyl-1,3-cyclopentanedione
Usage
a. Synthesis of organic compounds
b. Building block in pharmaceutical research
Reactivity
Highly reactive
Safety precautions
a. Potential for skin and eye irritation
b. Handle with caution
Ventilation
Handle in a well-ventilated area
Flammability
Flammable
Hazardous fumes
Releases toxic fumes when heated
Check Digit Verification of cas no
The CAS Registry Mumber 138768-00-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,7,6 and 8 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 138768-00:
(8*1)+(7*3)+(6*8)+(5*7)+(4*6)+(3*8)+(2*0)+(1*0)=160
160 % 10 = 0
So 138768-00-0 is a valid CAS Registry Number.
138768-00-0Relevant articles and documents
A Catalytic Asymmetric Synthesis of α-Methylene Lactones by the Palladium-catalysed Carbonylation of Prochiral Alkenyl Halides
Suzuki, Takeyuki,Uozumi, Yasuhiro,Shibasaki, Masakatsu
, p. 1593 - 1595 (2007/10/02)
A catalytic asymmetric synthesis of the α-methylene lactones starting with the prochiral alkenyl halides 8 and 19 has been achieved for the first time, giving 9 in 57percent enantiomeric excess (e.e.) and 20 in 39percent e.e., respectively.
