133586-45-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133586-45-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,5,8 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 133586-45:
(8*1)+(7*3)+(6*3)+(5*5)+(4*8)+(3*6)+(2*4)+(1*5)=135
135 % 10 = 5
So 133586-45-5 is a valid CAS Registry Number.
133586-45-5Relevant articles and documents
OXIDATIVE COUPLING OF 1,5-DIHYDROXYNAPHTHALENE WITH AROMATIC AMINES
Ektova, L. V.,Shishkina, R. P.
, p. 2588 - 2591 (2007/10/02)
The oxidative coupling of 1,5-dihydroxynaphthalene with aromatic amines leads to the formation of N-aryl-5-hydroxy-1,4-naphthoquinone-4-imines.The yield of these products depends on the nature of the oxidizing agent.
