Product Categories: Infrared (IR) DyesPhotonic and Optical Materials;Organic Electronics and Photonics;Photonic and Optical Materials;Phthalocyanine and Porphyrin Dyes;Phthalocyanines
The CAS Registry Mumber 53199-37-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,1,9 and 9 respectively; the second part has 2 digits, 3 and 7 respectively. Calculate Digit Verification of CAS Registry Number 53199-37: (7*5)+(6*3)+(5*1)+(4*9)+(3*9)+(2*3)+(1*7)=134 134 % 10 = 4 So 53199-37-4 is a valid CAS Registry Number.
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