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(3aR,7S,7aR)-2,2-Dimethyl-7-(toluene-4-sulfonyloxy)-3a,6,7,7a-tetrahydro-benzo[1,3]dioxole-5-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

90704-20-4

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90704-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90704-20-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,7,0 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90704-20:
(7*9)+(6*0)+(5*7)+(4*0)+(3*4)+(2*2)+(1*0)=114
114 % 10 = 4
So 90704-20-4 is a valid CAS Registry Number.

90704-20-4Upstream product

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