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1-[2,2,7,7-tetramethyl-(3aR,5R,5aS,8aS,8bR)-perhydro-di[1,3]dioxolo[5,4-b:5,4-d]pyran-5-yl]-(1R)-but-3-en-1-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

99166-42-4

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99166-42-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99166-42-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,1,6 and 6 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 99166-42:
(7*9)+(6*9)+(5*1)+(4*6)+(3*6)+(2*4)+(1*2)=174
174 % 10 = 4
So 99166-42-4 is a valid CAS Registry Number.

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