66338-49-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66338-49-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,3,3 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 66338-49:
(7*6)+(6*6)+(5*3)+(4*3)+(3*8)+(2*4)+(1*9)=146
146 % 10 = 6
So 66338-49-6 is a valid CAS Registry Number.
66338-49-6Relevant articles and documents
3-Methoxy-4-arylsulphonyloxy-acetophenones
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, (2008/06/13)
The invention relates to new compounds of the general formula : STR1 wherein X represents a hydrogen or halogen atom, R1 and R2, which are the same or different, each represent a hydrogen atom or a methoxy radical and R3 r