87994-92-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87994-92-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,9,9 and 4 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 87994-92:
(7*8)+(6*7)+(5*9)+(4*9)+(3*4)+(2*9)+(1*2)=211
211 % 10 = 1
So 87994-92-1 is a valid CAS Registry Number.
87994-92-1Relevant articles and documents
ACETYLATIONS OF STRONGLY BASIC AND NUCLEOPHILIC ENOLATE ANIONS WITH N-METHOXY-N-METHYLACETAMIDE
Oster, Timothy A.,Harris, Thomas M.
, p. 1851 - 1854 (2007/10/02)
Efficient acetylation of the multiple anions of poly-β-carbonyl compounds is achieved by the use of N-methoxy-N-methylacetamide.