59409-51-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 59409-51-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,4,0 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 59409-51:
(7*5)+(6*9)+(5*4)+(4*0)+(3*9)+(2*5)+(1*1)=147
147 % 10 = 7
So 59409-51-7 is a valid CAS Registry Number.
59409-51-7Relevant articles and documents
Prop-2-ynyl- and Propadienyl-lithium Reagents. Regiocontrolled Synthesis of Allenic Compounds
Huynh, Chanh,Linstrumelle, Gerard
, p. 1133 - 1134 (1983)
Direct proof for the rearrangement of the prop-2-ynyl-lithium (2) into the propadienyl-lithium (4) is provided by the formation of the 1,3-disubstituted allenic compounds (7).