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319458-58-7

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319458-58-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 319458-58-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,9,4,5 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 319458-58:
(8*3)+(7*1)+(6*9)+(5*4)+(4*5)+(3*8)+(2*5)+(1*8)=167
167 % 10 = 7
So 319458-58-7 is a valid CAS Registry Number.

319458-58-7Relevant articles and documents

A new and versatile synthesis of 5-substituted pyrrolo[2,3-d]pyrimidines

Edmont,Williams

, p. 8581 - 8585 (2007/10/03)

We have developed a new methodology for the construction of 5-substituted pyrrolo[2,3-d]pyrimidines that involves the reduction of a nitroalkane to an oxime using the reducing ability of the Sn(SR3)- species, followed by mild, acid-catalysed deoximation of the resulting adduct using Dowex-H+ resin to form an intermediate aldehyde that spontaneously cyclises to the fused pyrrole ring. (C) 2000 Elsevier Science Ltd.

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