133683-50-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133683-50-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,6,8 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 133683-50:
(8*1)+(7*3)+(6*3)+(5*6)+(4*8)+(3*3)+(2*5)+(1*0)=128
128 % 10 = 8
So 133683-50-8 is a valid CAS Registry Number.
InChI:InChI=1/C13H12O4/c14-10-6-7-12(11(15)8-10)17-13(16)9-4-2-1-3-5-9/h1-5,7,10,14H,6,8H2/t10-/m1/s1
133683-50-8Relevant articles and documents
NOVEL ASPECTS OF THE FERRIER CARBOCYCLIC RING-TRANSFORMATION REACTION
Laaszloo, Paal,Pelyvaas, Istvaan F.,Sztaricskai, Ferenc,Szilaagyi, Laaszloo,Somogyi, Aarpaad
, p. 227 - 240 (2007/10/02)
The mercury salt-mediated carbocyclic ring-transformation reaction of the 3-azido (4), 3-benzamido (8), and 3-trifluoroacetamido (11) derivatives of methyl 4-O-benzoyl-2,3,6-trideoxy-β-D-erythro-hex-5-enopyranoside, methyl 3-azido-4-O-benzoyl-2,3,6-trideo