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1271726-28-3

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1271726-28-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1271726-28-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,1,7,2 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1271726-28:
(9*1)+(8*2)+(7*7)+(6*1)+(5*7)+(4*2)+(3*6)+(2*2)+(1*8)=153
153 % 10 = 3
So 1271726-28-3 is a valid CAS Registry Number.

1271726-28-3Relevant articles and documents

Synthesis of 1,2,3,4,5,7-hexahydro-6H-azocino[4,3-b]indol-6-ones as intermediates for the synthesis of apparicine

Kettle, Jason G.,Roberts, David,Joule, John A.

, p. 349 - 370 (2011/04/16)

1-Phenylsulfonylindole is converted in eight steps into 2-(2-iodo-(Z)-but-2-en-1-yl)-6-methyl-1,2,3,4-tetrahydroazocino[4,3-b]indole, previously converted in one step into the indole alkaloid apparicine. The syntheses of other hexahydroazocino[4,3-b]indole potential precursors to the alkaloid are also described. The Japan Institute of Heterocyclic Chemistry.

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