130334-28-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130334-28-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,3,3 and 4 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 130334-28:
(8*1)+(7*3)+(6*0)+(5*3)+(4*3)+(3*4)+(2*2)+(1*8)=80
80 % 10 = 0
So 130334-28-0 is a valid CAS Registry Number.
130334-28-0Relevant articles and documents
Dihydroxynaphthalene derivatives
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, (2008/06/13)
There are described dihydroxy naphthalene derivatives of the formula STR1 in which R1 is hydrogen, lower alkyl or benzyl, R2 is hydrogen, hydroxy or lower alkanoyloxy, R3 is hydrogen or lower alkyl, R4 is hydrog