199604-20-1 Usage
General Description
Carbamic acid, [(4-chlorophenyl)methylene]-, methyl ester is a chemical compound with the molecular formula C9H9NO2Cl. It is a methyl ester derivative of carbamic acid and is often used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals. This chemical is a colorless to pale yellow liquid with a faint odor and is soluble in organic solvents. It is important to handle this compound with care as it can be harmful if ingested, inhaled, or comes into contact with the skin or eyes. Additionally, it has the potential to cause environmental harm and can be toxic to aquatic organisms.
Check Digit Verification of cas no
The CAS Registry Mumber 199604-20-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,6,0 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 199604-20:
(8*1)+(7*9)+(6*9)+(5*6)+(4*0)+(3*4)+(2*2)+(1*0)=171
171 % 10 = 1
So 199604-20-1 is a valid CAS Registry Number.
199604-20-1Relevant articles and documents
Zinc/iron-mediated ring opening of dibromocyclopropanes for in situ Diels-Alder reactions with electron-deficient aldehydes and imines
Puenner, Florian,Hilt, Gerhard
, p. 5580 - 5584 (2013)
Dibromocyclopropanes can be ring-opened by utilizing zinc dibromide in catalytic amounts and iron powder in substoichiometric amounts. The presence of the carbonyl group of aldehydes, ketones, glyoxylic esters, or imines is necessary for the ring-opening
