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137955-46-5

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137955-46-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137955-46-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,9,5 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 137955-46:
(8*1)+(7*3)+(6*7)+(5*9)+(4*5)+(3*5)+(2*4)+(1*6)=165
165 % 10 = 5
So 137955-46-5 is a valid CAS Registry Number.

137955-46-5Downstream Products

137955-46-5Relevant articles and documents

SYNTHESIS OF AZA STEROID ANALOGS

Aleksandrov, B. B.,Shklyaev, V. S.,Shklyaev, Yu. V.

, p. 677 (1991)

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Enamines of the 1,2,3,4-tetrahydroiso-quinoline series in the Chichibabin synthesis of pyrrolo[2,1-a]isoquinolines and in reaction with oxalyl chloride

Polygalova,Mikhailovskii,Vikhareva,Vakhrin

, p. 900 - 905 (2008/09/18)

It has been shown that the Chichibabin reaction of enamines of the 1,2,3,4-tetrahydroisoquinoline series and 1,2,3,4-tetrahydrobenzo[f]isoquinoline series with p-bromophenacyl bromide leads to pyrrolo[2,1-a]isoquinoline derivatives. The same heterocyclic

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