133858-55-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133858-55-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,8,5 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 133858-55:
(8*1)+(7*3)+(6*3)+(5*8)+(4*5)+(3*8)+(2*5)+(1*5)=146
146 % 10 = 6
So 133858-55-6 is a valid CAS Registry Number.
133858-55-6Relevant articles and documents
[4+2] Cycloaddition reactions of various 1,3-diaza-1.3-butadienes with ketenes
Mazumdar, Sujit N.,Mahajan, Mohinder P.
, p. 1473 - 1484 (2007/10/02)
[4+2] cycloaddition reactions of 1-aryl-4-dimethylainino-1,3-diaza-1, 3-butadienes (I), 1 -aryl-4-dimethylamino-2-methylthio-1, 3-diaza-1, 3-butadienes (5), 1-aryl-4-methylthio-2-phenyl-4-sec. amino-1, 3-diaza-1, 3-butadienes (9) and 4, 4-bis(sec.amino)-1
