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37784-22-8

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37784-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 37784-22-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,7,8 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 37784-22:
(7*3)+(6*7)+(5*7)+(4*8)+(3*4)+(2*2)+(1*2)=148
148 % 10 = 8
So 37784-22-8 is a valid CAS Registry Number.

37784-22-8Relevant articles and documents

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Touet, Joel,Faveriel, Laurent,Brown, Eric

, p. 1709 - 1720 (2007/10/02)

Treatment of the readily available (S)-(+) and (R)-(-) enantiomers of 2-aminobutan-1-ol 1 with sodium hydride followed by benzyl chloride, or a substituted benzyl halide, afforded the corresponding O-benzyl bases 4-7 in good yields. These new bases are recommended for the large scale resolution of racemic acids. For instance, they proved efficient for the practical resolutions of α-methylsuccinic acid (±)-9, N-acetylphenylglycine (±)-11, N-acetyl-(4-hydroxyphenyl) glycine (±)-14 and N-chloroacetyl-(4-hydroxyphenyl) glycine (±)-15.

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