3-[(5Z,10Z,14Z,19Z)-8-Hydroxy-7-[2-hydroxy-eth-(E)-ylidene]-18-(2-methoxycarbonyl-ethyl)-3,8,13,17-tetramethyl-12-vinyl-7,8,21,23-tetrahydro-porphin-2-yl]-propionic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 78422-39-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,4,2 and 2 respectively; the second part has 2 digits, 3 and 9 respectively. Calculate Digit Verification of CAS Registry Number 78422-39: (7*7)+(6*8)+(5*4)+(4*2)+(3*2)+(2*3)+(1*9)=146 146 % 10 = 6 So 78422-39-6 is a valid CAS Registry Number.
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