126178-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126178-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,1,7 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 126178-20:
(8*1)+(7*2)+(6*6)+(5*1)+(4*7)+(3*8)+(2*2)+(1*0)=119
119 % 10 = 9
So 126178-20-9 is a valid CAS Registry Number.
126178-20-9Relevant articles and documents
THE SYNTHESIS AND REACTIONS OF 4-CARBOMETHOXY β-SULTAMS
Szymonifka, Michael J.,Heck, James V.
, p. 2869 - 2872 (2007/10/02)
The preparation of 4-carbomethoxy-1,2-thiazetidine-1,1-dioxides from carbomethoxymethanesulfonyl chloride and imines is described.