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(2-Hydroxy-1,3,4,5-tetraphenyl-cyclopenta-2,4-dienyl)-phenyl-phosphinic acid ethyl ester; compound with morpholine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

71505-46-9

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71505-46-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71505-46-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,5,0 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 71505-46:
(7*7)+(6*1)+(5*5)+(4*0)+(3*5)+(2*4)+(1*6)=109
109 % 10 = 9
So 71505-46-9 is a valid CAS Registry Number.

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