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(4R,5S,7S,8S,10R)-7-Formyl-8-methoxy-2,2,10-trimethyl-1,3,6-trioxa-spiro[4.5]decane-4-carboxylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

143347-90-4

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143347-90-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143347-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,3,4 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 143347-90:
(8*1)+(7*4)+(6*3)+(5*3)+(4*4)+(3*7)+(2*9)+(1*0)=124
124 % 10 = 4
So 143347-90-4 is a valid CAS Registry Number.

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