133682-43-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133682-43-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,6,8 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 133682-43:
(8*1)+(7*3)+(6*3)+(5*6)+(4*8)+(3*2)+(2*4)+(1*3)=126
126 % 10 = 6
So 133682-43-6 is a valid CAS Registry Number.
133682-43-6Relevant articles and documents
A Facile Synthesis of 2-Aza-1,3-butadienes
Okamoto, Hidenori,Kato, Shozo
, p. 766 - 770 (2007/10/02)
2-Aza-1,3-butadienes bearing alkoxyl substituent were obtained easily by the reaction of ketimines with orthoesters.The reaction proceeded smoothly by the addition of small amount of p-toluenesulfonic acid.When acetals were used in place of orthoesters, t
