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7-phenyl-3a,4,10,10a-tetrahydro-4,10-etheno-furo[2,3-d][1,2,4]triazolo[1,2-b]pyridazine-6,8-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

27801-74-7

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27801-74-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27801-74-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,8,0 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 27801-74:
(7*2)+(6*7)+(5*8)+(4*0)+(3*1)+(2*7)+(1*4)=117
117 % 10 = 7
So 27801-74-7 is a valid CAS Registry Number.

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