637004-82-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 637004-82-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,0,0 and 4 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 637004-82:
(8*6)+(7*3)+(6*7)+(5*0)+(4*0)+(3*4)+(2*8)+(1*2)=141
141 % 10 = 1
So 637004-82-1 is a valid CAS Registry Number.
637004-82-1Relevant articles and documents
Synthesis and functionalization of 4-halomethyl-1,3-selenazoles
Geisler, Karlheinz,Pfeiffer, Wolf-Diethard,Mueller, Cornelia,Nobst, Elvira,Bulka, Ehrenfried,Langer, Peter
, p. 1215 - 1220 (2007/10/03)
Double-functionalized, ionic and multivalent 1,3-selenazoles were prepared by nucleophilic displacement reactions of protected 4-halomethyl-2-amino-1,3-selenazoles.