56922-66-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56922-66-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,9,2 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 56922-66:
(7*5)+(6*6)+(5*9)+(4*2)+(3*2)+(2*6)+(1*6)=148
148 % 10 = 8
So 56922-66-8 is a valid CAS Registry Number.
56922-66-8Relevant articles and documents
REACTION OF 4,5-DICHLORO-2-DICHLOROMETHYLENE-4-CYCLOPENTENE-1,3-DIONE WITH PHENOLS
Simonov, V. D.,Konovalova, G. M.
, p. 1667 - 1670 (2007/10/02)
Depending on the conditions, the reaction of 4,5-dichlor-2-dichloromethylene-4-cyclopentene-1,3-dione with phenols in the presence of diethylamine leads to the substitution of one or two chlorine atoms in the exocyclic dichloromethylene group of the diket
