137032-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137032-50-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,0,3 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 137032-50:
(8*1)+(7*3)+(6*7)+(5*0)+(4*3)+(3*2)+(2*5)+(1*0)=99
99 % 10 = 9
So 137032-50-9 is a valid CAS Registry Number.
137032-50-9Relevant articles and documents
Facile Access to 2-Alkylidene 3-Oxy Propanals and Propionic Acids from Conjugated Enals
Huot, Jean-Francois,Outurquin, Francis,Paulmier, Claude
, p. 1599 - 1602 (2007/10/02)
Conjugated enals or their methyl acetals react with benzeneselenyl chloride in the presence of oxygen nucleophile to give Michael-type adducts.The latter are oxidized into 2-alkylidene 3-oxy propanals and propionic acids.
