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1,4-Bis(2,4-diphenyl-9-hydroxy-3-methyl-3-azabicyclo<3.3.1>nonan-9-yl)diacetylene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91658-74-1

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91658-74-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91658-74-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,5 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 91658-74:
(7*9)+(6*1)+(5*6)+(4*5)+(3*8)+(2*7)+(1*4)=161
161 % 10 = 1
So 91658-74-1 is a valid CAS Registry Number.

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