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67198-88-3

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67198-88-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67198-88-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,1,9 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 67198-88:
(7*6)+(6*7)+(5*1)+(4*9)+(3*8)+(2*8)+(1*8)=173
173 % 10 = 3
So 67198-88-3 is a valid CAS Registry Number.

67198-88-3Relevant articles and documents

A total synthesis of nocardicins

Isenring,Hofheinz

, p. 2591 - 2597 (2007/10/02)

Four-component-condensation of D-isoserine or L-isoserine, diphenylmethyl isocyanide and p-(benzyloxy)benzaldehyde was used to construct a functionalized β-lactam ring system which was transformed in 4 steps into 3-aminocardicinic acid. A protected side c

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