145208-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 145208-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,2,0 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 145208-57:
(8*1)+(7*4)+(6*5)+(5*2)+(4*0)+(3*8)+(2*5)+(1*7)=117
117 % 10 = 7
So 145208-57-7 is a valid CAS Registry Number.
145208-57-7Relevant 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,
