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(1SR,3RS,8RS,10RS)-5,5,12,12-tetramethyl-4,6,11,13-tetraoxatricyclo<8.3.0.03,8>tridecan-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

97321-77-2

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97321-77-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97321-77-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,3,2 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 97321-77:
(7*9)+(6*7)+(5*3)+(4*2)+(3*1)+(2*7)+(1*7)=152
152 % 10 = 2
So 97321-77-2 is a valid CAS Registry Number.

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