130947-37-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130947-37-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,9,4 and 7 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 130947-37:
(8*1)+(7*3)+(6*0)+(5*9)+(4*4)+(3*7)+(2*3)+(1*7)=124
124 % 10 = 4
So 130947-37-4 is a valid CAS Registry Number.
130947-37-4Relevant articles and documents
An Easy Preparation of 11-Membered Ring Compounds via Enamine From Diethylenetriamine and DMAD
Okawara, Tadashi,Ehara, Shuji,Matsumoto, Shigenori,Okamoto, Yoshinari,Yamasaki, Tetsuo,Furukawa, Mitsuru
, p. 2615 - 2616 (2007/10/02)
Diethylenetriamine (1) reacts with dimethyl acetylenedicarboxylate (2) to give the tetrahydropyrazinodiazepinedione (3).On hydrolysis this gives the triazacycloundecanetrione (4).