321309-34-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321309-34-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,3,0 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 321309-34:
(8*3)+(7*2)+(6*1)+(5*3)+(4*0)+(3*9)+(2*3)+(1*4)=96
96 % 10 = 6
So 321309-34-6 is a valid CAS Registry Number.
InChI:InChI=1/C11H7NOS/c13-8-12-11-7-6-10(14-11)9-4-2-1-3-5-9/h1-7H
321309-34-6Relevant articles and documents
Novel Immunosuppressive Butenamides
Axton, Christopher A.,Billingham, Michael E. J.,Bishop, Paul M.,Gallagher, Peter T.,Hicks, Terence A.,et al.
, p. 2203 - 2214 (2007/10/02)
2-thiophene 12 was carboxylated using butyllithium and carbon dioxide to give 5-thiophene-2-carboxylic acid 13.Conversion of the acid 13 using diphenyl phosphazidate and triethylamine gave 5-4-(1,