67169-81-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67169-81-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,1,6 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 67169-81:
(7*6)+(6*7)+(5*1)+(4*6)+(3*9)+(2*8)+(1*1)=157
157 % 10 = 7
So 67169-81-7 is a valid CAS Registry Number.
67169-81-7Relevant articles and documents
Substituted omicron-phenylenediamine derivatives, process for their preparation and their use as medicaments
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, (2008/06/13)
The invention relates to new substituted o-phenylenediamine derivatives of the general formula STR1 in which R represents optionally substituted alkyl, optionally substituted alkenyl or optionally substituted alkinyl, X represents O, S, SO or SO2/su
