61049-79-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61049-79-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,0,4 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 61049-79:
(7*6)+(6*1)+(5*0)+(4*4)+(3*9)+(2*7)+(1*9)=114
114 % 10 = 4
So 61049-79-4 is a valid CAS Registry Number.
61049-79-4Relevant articles and documents
EFFICIENT CONVERSION OF CARBOXYLIC ACIDS INTO THIOL ESTERS
Kunieda, Takehisa,Abe, Yoshihiro,Hirobe, Masaaki
, p. 1427 - 1428 (1981)
A facile and direct preparation of thiol esters from carboxylic acids and thiols using diphenyl 2-oxo-3-oxazolinylphosphonate in the presence of triethylamine is described.