139191-94-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139191-94-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,1,9 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 139191-94:
(8*1)+(7*3)+(6*9)+(5*1)+(4*9)+(3*1)+(2*9)+(1*4)=149
149 % 10 = 9
So 139191-94-9 is a valid CAS Registry Number.
139191-94-9Relevant articles and documents
Syntheses ofDL-2-fluoromethy-P-tyrosine andDL-2-difluoromethyl-P-tyrosine as potential inhibitors of tyrosine hydroxylase
McDonald, Ian A.,Nyce, Philip L.,Jung, Michel J.,Sabol, Jeffrey S.
, p. 887 - 890 (2007/10/02)
The syntheses of the title compounds from 3,4-dimethylanisole and ethyl 5-hydroxy-2-methylbenzoate, respectively, are described.
