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(3R,5S)-3-(tert-butyldimethylsilyl)oxymethyl-4-oxa-1-azabicyclo<3.2.0>heptan-7-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138481-19-3

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138481-19-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138481-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,4,8 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 138481-19:
(8*1)+(7*3)+(6*8)+(5*4)+(4*8)+(3*1)+(2*1)+(1*9)=143
143 % 10 = 3
So 138481-19-3 is a valid CAS Registry Number.

138481-19-3Upstream product

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