91890-52-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91890-52-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,8,9 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91890-52:
(7*9)+(6*1)+(5*8)+(4*9)+(3*0)+(2*5)+(1*2)=157
157 % 10 = 7
So 91890-52-7 is a valid CAS Registry Number.
91890-52-7Relevant articles and documents
Preparations de composes α-arylselenocarbonyles a l'aide de morpholinoareneselenenamides
Lerouge, Patrice,Paulmier, Claude
, p. 1219 - 1224 (2007/10/02)
The reactivity of the morpholinoareneselenenamides 1 which are readily prepared from various diaryldiselenides, is investigated.The selenenamides 1 are good α-selenenylating agents for aliphatic aldehydes, α-ketoesters and conjugated enals yielding the α-
