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121364-89-4

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121364-89-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121364-89-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,3,6 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 121364-89:
(8*1)+(7*2)+(6*1)+(5*3)+(4*6)+(3*4)+(2*8)+(1*9)=104
104 % 10 = 4
So 121364-89-4 is a valid CAS Registry Number.

121364-89-4Downstream Products

121364-89-4Relevant articles and documents

Facile Interconversion of the Isomeric Acid Chlorides Derived from Half Methyl Esters of 3-Methoxyphthalic Acid

Gupta, Dahmendra N.,Hodge, Philip,Hurley, Peter N.

, p. 391 - 394 (2007/10/02)

The isomeric acid chlorides obtained by treating the half methyl esters of 3-methoxyphthalic acid with thionyl chloride interconvert so readily that it is not practical to isolate one acid chloride free of the other.At equilibrium the main isomer is the a

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