79402-21-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79402-21-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,4,0 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 79402-21:
(7*7)+(6*9)+(5*4)+(4*0)+(3*2)+(2*2)+(1*1)=134
134 % 10 = 4
So 79402-21-4 is a valid CAS Registry Number.
79402-21-4Relevant articles and documents
β-KETOLACTONE SYNTHONS. SHORT EFFICIENT SYNTHESES OF JASMONOIDS.
Goldsmith, David J.,Thottathil, John K.
, p. 2447 - 2450 (1981)
The cyclopentanoid β-ketolactone 2, serving as the equivalent of a specific enolate of a 3-alkyl cyclopentanone, has been converted to several jasmonoid substances.
