137769-28-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137769-28-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,7,6 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 137769-28:
(8*1)+(7*3)+(6*7)+(5*7)+(4*6)+(3*9)+(2*2)+(1*8)=169
169 % 10 = 9
So 137769-28-9 is a valid CAS Registry Number.
137769-28-9Relevant articles and documents
Optically active tertiary phosphine compound and transition metal complex using the same as ligand
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, (2008/06/13)
A phosphine compound represented by formula (I): STR1 wherein Ph represents a phenyl group; and R represents a lower alkyl group or --OR1, wherein R1 represents a hydrogen atom, a cycloalkyl group having from 5 to 7 carbon atoms, or
