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benzyl 2(S)-<5(S)-ethyl-3(S)-methyl-5-(3(R)-1,5-dioxo-4(S)-methylspiro<2.5>-6(R)-octyl)-2(S)-tetrahydrofuryl>butyl ether is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

73657-52-0

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73657-52-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73657-52-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,6,5 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 73657-52:
(7*7)+(6*3)+(5*6)+(4*5)+(3*7)+(2*5)+(1*2)=150
150 % 10 = 0
So 73657-52-0 is a valid CAS Registry Number.

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