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(R,E)-2-azidomethyl-5-methylhex-3-enyl ester acetate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

521917-97-5

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521917-97-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 521917-97-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,1,9,1 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 521917-97:
(8*5)+(7*2)+(6*1)+(5*9)+(4*1)+(3*7)+(2*9)+(1*7)=155
155 % 10 = 5
So 521917-97-5 is a valid CAS Registry Number.

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