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(3aS,5R,5aS,8aR,8bS)-5-(iodomethyl)-2,2,7,7-tetramethyltetrahydro-3aH-bis [1,3]dioxolo[4,5-b:4′5′-d]pyran is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

70981-53-2

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70981-53-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70981-53-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,9,8 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70981-53:
(7*7)+(6*0)+(5*9)+(4*8)+(3*1)+(2*5)+(1*3)=142
142 % 10 = 2
So 70981-53-2 is a valid CAS Registry Number.

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