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140396-86-7

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140396-86-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140396-86-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,3,9 and 6 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 140396-86:
(8*1)+(7*4)+(6*0)+(5*3)+(4*9)+(3*6)+(2*8)+(1*6)=127
127 % 10 = 7
So 140396-86-7 is a valid CAS Registry Number.

140396-86-7Relevant articles and documents

Ring-opening Reactions of N-Aryl-1,2,3,4-tetrahydroisoquinoline Derivatives

Hedley, K. Andrew,Stanforth, Stephen P.

, p. 743 - 750 (1992)

The reaction of N-nitroaryl-1,2,3,4-tetrahydroisoquinolines 1a-e, 1g and 1j with N-bromosuccinimide (NBS) afforded aldehydes 3a-e, 3h and 3j respectively.N-(4-Nitrophenyl)-1-phenyl-1,2,3,4-tetrahydroisoquinoline 1n gave ketone 3n together with brominated product 3o when treated with NBS.

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