258338-29-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 258338-29-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,8,3,3 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 258338-29:
(8*2)+(7*5)+(6*8)+(5*3)+(4*3)+(3*8)+(2*2)+(1*9)=163
163 % 10 = 3
So 258338-29-3 is a valid CAS Registry Number.
258338-29-3Relevant articles and documents
A novel approach to imidazo[1,5-a]pyrazines
Trcek,Meden,Vercek
, p. 1458 - 1460 (2007/10/03)
A novel one-pot approach to the imidazo[1,5-a]pyrazine system has been elaborated based on the cyclization of 3-[(2-amino-1,2-dicyanoethen-1-yl)amino]-2-(benzoylamino)propenoates with orthoesters.
