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256931-78-9

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256931-78-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 256931-78-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,9,3 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 256931-78:
(8*2)+(7*5)+(6*6)+(5*9)+(4*3)+(3*1)+(2*7)+(1*8)=169
169 % 10 = 9
So 256931-78-9 is a valid CAS Registry Number.

256931-78-9Relevant articles and documents

Regiospecific functionalization of indole-2-carboxylates and diastereoselective preparation of the corresponding indolines

Collot, Valerie,Schmitt, Martine,Marwah, Padma,Bourguignon, Jean-Jacques

, p. 2823 - 2847 (2007/10/03)

The N-acyl derivatives of 3-substituted indole-2-carboxylates prepared through several routes were submitted to catalytic hydrogenation affording either cis- or trans-indoline diastereomers after quantitative C-2 epimerization.

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