1242141-83-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1242141-83-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,1,4 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1242141-83:
(9*1)+(8*2)+(7*4)+(6*2)+(5*1)+(4*4)+(3*1)+(2*8)+(1*3)=108
108 % 10 = 8
So 1242141-83-8 is a valid CAS Registry Number.
1242141-83-8Relevant articles and documents
New derivatives of 6-phenylcomanic acid
Usachev,Obydennov,Kodess,Roeschenthaler,Sosnovskikh
, p. 1248 - 1252 (2010/10/04)
Ethyl 6-phenylcomanic acid with hydrazine hydrate and hydroxylamine gives 4-oxo-6-phenyl-4H/-pyran-2-carbohydrazide and 4-oxo-6-phenyl-4H-pyran-2- carbohydroxamic acid, whereas 6-phenylcomanic acid with ammonia in aqueous DMSO gives 4-hydroxy-6-phenylpico