5552-25-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5552-25-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,5 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5552-25:
(6*5)+(5*5)+(4*5)+(3*2)+(2*2)+(1*5)=90
90 % 10 = 0
So 5552-25-0 is a valid CAS Registry Number.
5552-25-0Relevant articles and documents
TOTAL SYNTHESIS OF (+-)-DESMETHYLHEXAHYDROVALLESIACHOTAMINELACTONES
Jokela, Reija,Lounasmaa, Mauri
, p. 1015 - 1018 (2007/10/02)
Total synthesis of (+-)-desmethylhexahydrovallesiachotaminelactones 1a and 1b, and their isomers 2a and 2b is described.The formation of other epimeric pairs of lactones (1a and 3a, and 1b and 3b) from vallesiachotamine 4 is also described.
