134183-89-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134183-89-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,1,8 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 134183-89:
(8*1)+(7*3)+(6*4)+(5*1)+(4*8)+(3*3)+(2*8)+(1*9)=124
124 % 10 = 4
So 134183-89-4 is a valid CAS Registry Number.
134183-89-4Relevant articles and documents
Method for synthesing 5-chloro-1-aryl-4-(4,5-dicyano-1h-imidazol-2-yl)-3-alkyl-1h-pyrazole derivatives
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Page/Page column 6, (2010/11/27)
Method for synthesising 1-aryl-4-(imidazol-2-yl)-3-alkyl-1H-pyrazole derivatives from 1-aryl-3-alkyl-1H-pyrazo-line-5-one derivatives.