227002-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227002-81-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,0,0 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 227002-81:
(8*2)+(7*2)+(6*7)+(5*0)+(4*0)+(3*2)+(2*8)+(1*1)=95
95 % 10 = 5
So 227002-81-5 is a valid CAS Registry Number.
227002-81-5Relevant articles and documents
Studies on dehydro-L-ascorbic acid and dehydro-D-isoascorbic acid hydrazones
El-Sekily, Mohamed A.,Elba, Mohamed E.,Fouad, Farid S.
, p. 296 - 297 (1999)
2-Arylhydrazones of dehydro-L-ascorbic acid and its analogues are established as precursors for the synthesis of various heterocyclic compounds including triazoles, pyrazoles, imidazoles and isoxazoles; many of these compounds show great chemotherapeutic effects.
