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3-<<(4-nitrobenzyl)oxy>-NNO-azoxy>-L-alanine 4-nitrobenzyl ester hydrochloride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

90991-40-5

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90991-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90991-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,9 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90991-40:
(7*9)+(6*0)+(5*9)+(4*9)+(3*1)+(2*4)+(1*0)=155
155 % 10 = 5
So 90991-40-5 is a valid CAS Registry Number.

90991-40-5Upstream product

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