171815-19-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171815-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,8,1 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 171815-19:
(8*1)+(7*7)+(6*1)+(5*8)+(4*1)+(3*5)+(2*1)+(1*9)=133
133 % 10 = 3
So 171815-19-3 is a valid CAS Registry Number.
171815-19-3Relevant articles and documents
2-Amino-2-deoxytetrose derivatives. Preparation from 4,5-dihydroisoxazoles via reductive cleavage
Wade,D'Ambrosio,Price
, p. 6302 - 6308 (1995)
The 4-alkoxy-3-nitro-4,5-dihydroisoxazoles 2a,b were prepared by condensation of nitromethane and chloroacetaldehyde, protection of the resulting nitroaldol 1c, and subsequent nitrosative cyclization. Multistep replacement of the nitrogroup of 2a,b by a 2
