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132283-71-7

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132283-71-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132283-71-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,2,8 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 132283-71:
(8*1)+(7*3)+(6*2)+(5*2)+(4*8)+(3*3)+(2*7)+(1*1)=107
107 % 10 = 7
So 132283-71-7 is a valid CAS Registry Number.

132283-71-7Relevant articles and documents

Asymmetric synthesis of 1-benzyltetrahydroisoquinolines using chiral oxazolo[2,3-a]tetrahydroisoquinolines

Hashigaki,Kan,Qais,Takeuchi,Yamato

, p. 1126 - 1131 (2007/10/02)

A novel synthetic route to enantiomerically pure 1-benzyltetrahydroisoquinolines (1) was developed via the reaction of oxazolo[2,3-a]tetrahydroisoquinoline (5) with benzyltriisopropoxytitanium compounds (10). This method was applied to the synthesis of (S)-trimetoquinol (1c; a bronchodilator).

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