143681-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143681-34-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,6,8 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 143681-34:
(8*1)+(7*4)+(6*3)+(5*6)+(4*8)+(3*1)+(2*3)+(1*4)=129
129 % 10 = 9
So 143681-34-9 is a valid CAS Registry Number.
143681-34-9Relevant articles and documents
PROCESS FOR PRODUCTION OF 1-ARYL-5-(TRIFLUOROMETHYL)-1H- TETRAZOLES
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Page/Page column 8, (2008/06/13)
The present invention relates to a process for producing an N-aryl-2,2,2-trifluoroacetimidoyl chloride represented by Formula (2): the process comprising the step of reacting in an organic solvent a tertiary amine, a 2,2,2-trifluoro-N-arylacetamide repre
