111223-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111223-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,2,2 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 111223-20:
(8*1)+(7*1)+(6*1)+(5*2)+(4*2)+(3*3)+(2*2)+(1*0)=52
52 % 10 = 2
So 111223-20-2 is a valid CAS Registry Number.
111223-20-2Relevant articles and documents
A HIGHLY CONVERGENT PREPARATION OF PHOSPHONYLOXYACYLAMINO ACIDS:
Thottathil, John K.,Wong, Michael K. Y.
, p. 5441 - 5444 (1986)
A very simple, mild and efficient method for the preparation of phosphonyloxyacylamino acids from readily available starting materials is described.