67883-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67883-18-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,8,8 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 67883-18:
(7*6)+(6*7)+(5*8)+(4*8)+(3*3)+(2*1)+(1*8)=175
175 % 10 = 5
So 67883-18-5 is a valid CAS Registry Number.
67883-18-5Relevant articles and documents
An efficient synthesis of the 25-hydroxy Windaus-Grundmann ketone
Fall,Vitale,Mourino
, p. 7337 - 7340 (2007/10/03)
A short and efficient synthesis of the 25-hydroxy Windaus-Grundmann ketone from the Inhoffen-Lythgoe diol is described (seven steps, 70% overall). The most relevant feature of the synthesis is the preparation of the Wittig reagent 3 from cheap and commerc
