84885-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84885-68-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,8,8 and 5 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 84885-68:
(7*8)+(6*4)+(5*8)+(4*8)+(3*5)+(2*6)+(1*8)=187
187 % 10 = 7
So 84885-68-7 is a valid CAS Registry Number.
84885-68-7Relevant articles and documents
A New Oxidative Two-atom Expansion of the β-Lactam Ring of a 6β-Aminopenicillanate
Steele, John,Stoodley, Richard J.
, p. 1215 - 1216 (1982)
Methyl 6β-(dihydro-4H-1,3,5-dioxazin-5-yl)penicillanate is converted into methyl (6S,9S)-8,8-dimethyl-2-oxo-5-oxa-7-thia-1,4-diazabicyclonon-3-ene-9-carboxylate by the action of potassium permanganate in aqueous acetic acid.