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(6R,7R)-8,8-Dimethyl-6-(2-methyl-[1,3]dioxolan-2-ylmethyl)-7-vinyl-1,4-dioxa-spiro[4.4]nonane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

97330-21-7

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97330-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97330-21-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,3,3 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 97330-21:
(7*9)+(6*7)+(5*3)+(4*3)+(3*0)+(2*2)+(1*1)=137
137 % 10 = 7
So 97330-21-7 is a valid CAS Registry Number.

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