132677-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 132677-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,6,7 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 132677-57:
(8*1)+(7*3)+(6*2)+(5*6)+(4*7)+(3*7)+(2*5)+(1*7)=137
137 % 10 = 7
So 132677-57-7 is a valid CAS Registry Number.
132677-57-7Relevant articles and documents
SYNTHETISCHE ANTHRACYCLINONE-XIX. TOTALSYNTHESE DES ρ UND ε-RHODOMYCINONS
Krohn, Karsten
, p. 3219 - 3222 (2007/10/02)
Racemic ρ-Rhodomycinone and ε-Rhodomycinone have been obtained by base catalysed cyclisation of the anthraquinone-ketoester 5.