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9-(3,5-bis-O-(tert-butyldimethylsilyl)-β-D-erythro-pentofuran-2-ulosyl)adenine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

90813-59-5

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90813-59-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90813-59-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,1 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90813-59:
(7*9)+(6*0)+(5*8)+(4*1)+(3*3)+(2*5)+(1*9)=135
135 % 10 = 5
So 90813-59-5 is a valid CAS Registry Number.

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