128728-10-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128728-10-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,2 and 8 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128728-10:
(8*1)+(7*2)+(6*8)+(5*7)+(4*2)+(3*8)+(2*1)+(1*0)=139
139 % 10 = 9
So 128728-10-9 is a valid CAS Registry Number.
128728-10-9Relevant articles and documents
AZO COUPLING OF 5(6)-HYDROXYBENZIMIDAZOLE AND ITS DERIVATIVES
Kuznetsov, Yu. V.,Stolyarova, L. G.,Lezina, V. P.,Smirnov, L. D.
, p. 583 - 585 (2007/10/02)
The azo coupling of 5(6)-hydroxybenzimidazole and its derivatives is directed toward C4.
