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74614-67-8

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74614-67-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74614-67-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,1 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74614-67:
(7*7)+(6*4)+(5*6)+(4*1)+(3*4)+(2*6)+(1*7)=138
138 % 10 = 8
So 74614-67-8 is a valid CAS Registry Number.

74614-67-8Relevant articles and documents

ENANTIOSELECTIVE SYNTHESIS AND ABSOLUTE CONFIGURATION OF (+)-α-(3-BENZOYLPHENYL)PROPIONIC ACID

Comisso, Giovanni,Mihalic, Mladen,Kajfez, Franjo,Sunjic, Vitomir,Snatzke, Guenther

, p. 123 - 128 (2007/10/02)

Asymmetric homogeneous hydrogenation of α-(3-benzoylphenyl)acrylic acid (4), which is preparared in 90percent overall yield from (3-benzoylphenyl)acetic acid (1), affords (+)-α-(3-benzoylphenyl)propionic acid, (+)-5, in 93.7percent chemical and 67.4percent optical yield.The absolute configuration of (+)-5 is correlated with that of (+)-(S)-hydratropic acid via (+)-α-(3-benzylphenyl)propionic acid, (+)-6.The origin of the CD bands of (+)-6 is discussed and comparison of chiroptical data with those of (+)-(S)-hydratropic acid, reveals that (+)-6 has an S configuration.Since (+)-6 is chemically correlated with (+)-5, the absolute S configuration of this enantiomer is confirmed.

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