1443655-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1443655-57-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,3,6,5 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1443655-57:
(9*1)+(8*4)+(7*4)+(6*3)+(5*6)+(4*5)+(3*5)+(2*5)+(1*7)=169
169 % 10 = 9
So 1443655-57-9 is a valid CAS Registry Number.
1443655-57-9Relevant articles and documents
Synthesis of trifunctional bis-azide photoaffinity probe
Klein, Larry L.,Petukhova, Valentina
, p. 2242 - 2245 (2013/07/25)
Methyl 3-azidomethyl-5-azido-benzoate (1b) and its corresponding hydroxymethyl reduction product (1a) have been utilized for the synthesis of valuable nonradioactive photoaffinity probes. Previous preparations of (1a) depend upon a nonselective monoactiva