192719-21-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 192719-21-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,2,7,1 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 192719-21:
(8*1)+(7*9)+(6*2)+(5*7)+(4*1)+(3*9)+(2*2)+(1*1)=154
154 % 10 = 4
So 192719-21-4 is a valid CAS Registry Number.
192719-21-4Relevant articles and documents
Process for the preparation of 3-dihalobenzyl-2,4-quinazolinedione derivatives
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, (2008/06/13)
A process for preparing a 3-dihalobenzyl-2,4-quinazolinedione derivative represented by the formula (V): (wherein X1, X2, X3are independently a halogen atom, and A is an alkylene group), which comprises: reacting a dihalob
