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(2S,3S,4S)-2-(tert-Butyl-dimethyl-silanyloxymethyl)-4-(1-[1,3]dioxolan-2-yl-ethyl)-3-methoxycarbonylmethyl-5-oxo-pyrrolidine-1-carboxylic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81658-29-9

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81658-29-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81658-29-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,5 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81658-29:
(7*8)+(6*1)+(5*6)+(4*5)+(3*8)+(2*2)+(1*9)=149
149 % 10 = 9
So 81658-29-9 is a valid CAS Registry Number.

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