85849-04-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85849-04-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,8,4 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 85849-04:
(7*8)+(6*5)+(5*8)+(4*4)+(3*9)+(2*0)+(1*4)=173
173 % 10 = 3
So 85849-04-3 is a valid CAS Registry Number.
85849-04-3Relevant articles and documents
SYNTHESIS OF A NOVEL C-6 NITROGEN-SUBSTITUTED CARBAPENEM FROM 6-AMINOPENICILLANIC ACID
Yamamoto, Kenichi,Nishino, Masayoshi,Kato, Yasuyuki,Yoshioka, Takeo,Shimauchi, Yasutaka,Ishikura, Tomoyuki
, p. 5339 - 5342 (1982)
Synthesis of optically active 6-phthalimidocarbapenems from 6-aminopenicillanic acid is described.