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(+)-(2S,3R)-3-tert-butoxy-pyrrolidine-1,2-dicarboxylic acid 2-allyl ester 1-(9H-fluoren-9-ylmethyl) ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

443899-47-6

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443899-47-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 443899-47-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,8,9 and 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 443899-47:
(8*4)+(7*4)+(6*3)+(5*8)+(4*9)+(3*9)+(2*4)+(1*7)=196
196 % 10 = 6
So 443899-47-6 is a valid CAS Registry Number.

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