129201-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129201-50-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,0 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 129201-50:
(8*1)+(7*2)+(6*9)+(5*2)+(4*0)+(3*1)+(2*5)+(1*0)=99
99 % 10 = 9
So 129201-50-9 is a valid CAS Registry Number.
129201-50-9Relevant academic research and scientific papers
A novel synthesis of chiral guanidinium molecular hosts
Schmidtchen
, p. 2269 - 2272 (2007/10/02)
Chiral bicyclic guanidinium salts (e.g. 1) were readily prepared from asparagine and methionine via alkylative cyclisation of an open chain thiourea.
