85907-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85907-57-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,9,0 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 85907-57:
(7*8)+(6*5)+(5*9)+(4*0)+(3*7)+(2*5)+(1*7)=169
169 % 10 = 9
So 85907-57-9 is a valid CAS Registry Number.
85907-57-9Relevant articles and documents
Synthesis of tryptophans
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, (2008/06/13)
The preparation of racemic and optically pure tryptophans is described. The D-enantiomers of the 6-substituted compounds possess a potent sweetening capability. Novel intermediates are also disclosed.