666704-42-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 666704-42-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,6,7,0 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 666704-42:
(8*6)+(7*6)+(6*6)+(5*7)+(4*0)+(3*4)+(2*4)+(1*2)=183
183 % 10 = 3
So 666704-42-3 is a valid CAS Registry Number.
666704-42-3Relevant articles and documents
Concise asymmetric synthesis of (5R)-6-hydroxy-3,8-dioxabicyclo[3.2.1] octane derivatives
Pan, Chong-Feng,Zhang, Zu-Hui,Sun, Gao-Jun,Wang, Zhi-Yong
, p. 3059 - 3061 (2007/10/03)
(Chemical Equation Presented) A concise method to asymmetrically synthesize 6-hydroxy-3,8-dioxabicyclo[3.2.1]octane (HDBO) derivatives was devised.