126398-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126398-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,3,9 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 126398-56:
(8*1)+(7*2)+(6*6)+(5*3)+(4*9)+(3*8)+(2*5)+(1*6)=149
149 % 10 = 9
So 126398-56-9 is a valid CAS Registry Number.
126398-56-9Relevant articles and documents
A CYCLIZATION-TRAPPING ROUTE TO CARBOCYCLIC AND HETEROCYCLIC BENZYLIC SULFONES
McCombie, S. W.,Ortiz, C.,Ganguly, A. K.
, p. 8033 - 8036 (1993)
Acetals of 4-arylbutyraldehydes and 3-aryloxy-, 3-arylamino- and 3-arylthiopropionaldehydes react with Na-sulfinates in formic or trifluoroacetic acid to give good yields of the corresponding 4-(sulfonyl) substituted tetralins, tetrahydroquinolines, chrom