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(1S,4aS,5S,8aR,8bR)-3,3-Di-tert-butyl-1-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-5-nitrooxy-octahydro-4-oxa-2a-aza-3-sila-cyclobuta[a]naphthalen-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

190973-58-1

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190973-58-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190973-58-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,9,7 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 190973-58:
(8*1)+(7*9)+(6*0)+(5*9)+(4*7)+(3*3)+(2*5)+(1*8)=171
171 % 10 = 1
So 190973-58-1 is a valid CAS Registry Number.

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