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4,8-dihydroxy-benzo[1,2-d;4,5-d']bis[1,3]dithiole-2,6-dithione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

65211-71-4

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65211-71-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65211-71-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,2,1 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 65211-71:
(7*6)+(6*5)+(5*2)+(4*1)+(3*1)+(2*7)+(1*1)=104
104 % 10 = 4
So 65211-71-4 is a valid CAS Registry Number.

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