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S-tert-butyl (2R*,3R*)-3-amino-2-ethyl-5-(trimethylsilyl)pent-4-ynethioate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139472-52-9

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139472-52-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139472-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,4,7 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139472-52:
(8*1)+(7*3)+(6*9)+(5*4)+(4*7)+(3*2)+(2*5)+(1*2)=149
149 % 10 = 9
So 139472-52-9 is a valid CAS Registry Number.

139472-52-9Upstream product

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