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(1S,4aS,5S,8aR,8bR)-3,3-Di-tert-butyl-1-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-5-(2-morpholin-4-yl-2-oxo-ethoxy)-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.

198402-20-9

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198402-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 198402-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,4,0 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 198402-20:
(8*1)+(7*9)+(6*8)+(5*4)+(4*0)+(3*2)+(2*2)+(1*0)=149
149 % 10 = 9
So 198402-20-9 is a valid CAS Registry Number.

198402-20-9Upstream product

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