151726-41-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 151726-41-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,7,2 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 151726-41:
(8*1)+(7*5)+(6*1)+(5*7)+(4*2)+(3*6)+(2*4)+(1*1)=119
119 % 10 = 9
So 151726-41-9 is a valid CAS Registry Number.
151726-41-9Relevant articles and documents
Total synthesis of (±)-morphine
Uchida, Kenji,Yokoshima, Satoshi,Kan, Toshiyuki,Fukuyama, Tohru
, p. 5311 - 5313 (2006)
The morphinan skeleton was effectively synthesized by an intramolecular Mannich-type reaction. Further transformation led to total synthesis of morphine.