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zinc 20-(p-tri(n-butyl)tinphenyl)-5,10,15-tripentylporphyrin is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

934618-50-5

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934618-50-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 934618-50-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,6,1 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 934618-50:
(8*9)+(7*3)+(6*4)+(5*6)+(4*1)+(3*8)+(2*5)+(1*0)=185
185 % 10 = 5
So 934618-50-5 is a valid CAS Registry Number.

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