19750-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19750-45-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,5 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 19750-45:
(7*1)+(6*9)+(5*7)+(4*5)+(3*0)+(2*4)+(1*5)=129
129 % 10 = 9
So 19750-45-9 is a valid CAS Registry Number.
InChI:InChI=1/C4H5NO3S/c6-3(7)2-1-9-4(8)5-2/h2H,1H2,(H,5,8)(H,6,7)/t2-/m0/s1
19750-45-9Relevant articles and documents
A FACILE SYNTHESIS OF 2-OXO-THIAZOLIDINES OF BIOLOGICAL INTEREST.
d'Ischia, M.,Prota, G.,Rotteveel, R. C.,Westerhof, W.
, p. 1577 - 1586 (2007/10/02)
A facile procedure for the preparation in good yield of L-2-oxothiazolidine-4-carboxylic acid and other 2-oxothiazolidines of biological interest is described, involving reaction of suitable aminothiols with 1,1'-carbonyldiimidazole in an organic solvent.