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2,14-Dithia<3.3>(2,7)fluorenophan-6-on-S,S,S',S'-tetraoxid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

61765-41-1

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61765-41-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61765-41-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,7,6 and 5 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 61765-41:
(7*6)+(6*1)+(5*7)+(4*6)+(3*5)+(2*4)+(1*1)=131
131 % 10 = 1
So 61765-41-1 is a valid CAS Registry Number.

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