64300-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64300-98-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,3,0 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 64300-98:
(7*6)+(6*4)+(5*3)+(4*0)+(3*0)+(2*9)+(1*8)=107
107 % 10 = 7
So 64300-98-7 is a valid CAS Registry Number.
64300-98-7Relevant articles and documents
Process for preparation of 3-hydroxymethylcephems
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, (2008/06/13)
3-Hydroxymethyl-2-cephems are provided by (1) reacting a 2-halomethylcephem compound with a γ-hydroxycarboxylic acid salt or a δ-hydroxycarboxylic acid salt and (2) reacting the novel γ or δ-hydroxy esters thereby obtained with a protic acid. The 3-hydrox
