123568-49-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123568-49-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,5,6 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 123568-49:
(8*1)+(7*2)+(6*3)+(5*5)+(4*6)+(3*8)+(2*4)+(1*9)=130
130 % 10 = 0
So 123568-49-0 is a valid CAS Registry Number.
123568-49-0Relevant articles and documents
An improved procedure for the synthesis of 4,4-disubstituted-3-oxo-1,2,5-thiadiazolidine 1,1-dioxides
Xiao,Timberlake
, p. 773 - 777 (2000)
An improved synthesis for the preparation of 3-oxo-1,2,5-thiadiazolidine 1,1-dioxides has been developed. This facile two-step procedure from α-amino acid esters and chlorosulfonyl isocyanate results in excellent yields of products.
