51556-93-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51556-93-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,5,5 and 6 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 51556-93:
(7*5)+(6*1)+(5*5)+(4*5)+(3*6)+(2*9)+(1*3)=125
125 % 10 = 5
So 51556-93-5 is a valid CAS Registry Number.
51556-93-5Relevant articles and documents
Reduction of 2-Nitro-p-cymene
Holmes, Keith D.,Underwood, A. L.
, p. 470 - 472 (1982)
Commercial 2-nitro-p-cymene has been carefully purified, and the following reduction products have been prepared: trans-2,2'-azo-p-cymene; 2,2'-hydrazo-p-cymene and its hydrochloride; 2-amino-p-cymene and its hydrochloride; and 2,2'-diisopropyl-5,5'-dimet