188490-49-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 188490-49-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,4,9 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 188490-49:
(8*1)+(7*8)+(6*8)+(5*4)+(4*9)+(3*0)+(2*4)+(1*9)=185
185 % 10 = 5
So 188490-49-5 is a valid CAS Registry Number.
188490-49-5Relevant articles and documents
Pyridazin-3-one derivatives, their use, and intermediates for their production
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Page column 57, (2010/01/30)
Novel hydrazones of formula [2] having the following structural formula are provided, which are useful intermediates to form active ingredients of herbicides, wherein R3 is hydrogen, alkyl, haloalkyl, or alkoxy alkyl; and Q is [Q-1], [Q-2], [Q-