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104730-54-3

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104730-54-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104730-54-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,7,3 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 104730-54:
(8*1)+(7*0)+(6*4)+(5*7)+(4*3)+(3*0)+(2*5)+(1*4)=93
93 % 10 = 3
So 104730-54-3 is a valid CAS Registry Number.

104730-54-3Upstream product

104730-54-3Downstream Products

104730-54-3Relevant articles and documents

PREPARATION OF OPTICALLY ACTIVE 1-ACETOXY-2-ARYLOXYPROPIONITRILES AND ITS APPLICATION TO A FACILE SYNTHESIS OF (S)-(-)-PROPRANOLOL

Matsuo, Noritada,Ohno, Nobuo

, p. 5533 - 5534 (1985)

(S)-1-Acetoxy-2-aryloxypropionitriles were synthesized by an asymmetric hydrolysis of the racemates with an enzyme. (S)-Propranolol, a typical β-adrenergic blocker, was synthesized from (S)-1-acetoxy-2-α-naphthyloxypropionitrile in two steps.

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