147770-95-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 147770-95-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,7,7 and 0 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 147770-95:
(8*1)+(7*4)+(6*7)+(5*7)+(4*7)+(3*0)+(2*9)+(1*5)=164
164 % 10 = 4
So 147770-95-4 is a valid CAS Registry Number.
147770-95-4Relevant articles and documents
Synthesis of (+)-(R)-6-ethyl-2,3-dihydro-2-methyl-4H-pyran-4-one -sex-pheromone component of the male swift moth Hepialus hecta L.
Sanders,Wager,Seidel
, p. 87 - 95 (2007/10/02)
The synthesis of the male swift moth sex pheromone component, (+)-(R)-6-ethyl-2,3-dihydro-2-methyl-4H-pyran-4-one (6), from ethyl aniline and (S)-2-methyloxirane is described.
