181178-75-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 181178-75-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,1,7 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 181178-75:
(8*1)+(7*8)+(6*1)+(5*1)+(4*7)+(3*8)+(2*7)+(1*5)=146
146 % 10 = 6
So 181178-75-6 is a valid CAS Registry Number.
181178-75-6Relevant articles and documents
Synthesis of diethyl (aryl)(4-oxopiperidin-1-yl)methylphosphonates
Makarov, Mikhail V.,Skvortsov, Evgenii A.,Brel, Valery K.
, p. 232 - 233 (2015)
The Kabachnik-Fields reaction of 4-piperidone hydrochloride monohydrate, an aromatic aldehyde and triethyl phosphite in the presence of triethylamine and magnesium perchlorate affords diethyl (aryl)(4-oxopiperidin-1-yl)methylphosphonates in moderate yield
