1338705-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1338705-83-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,8,7,0 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1338705-83:
(9*1)+(8*3)+(7*3)+(6*8)+(5*7)+(4*0)+(3*5)+(2*8)+(1*3)=171
171 % 10 = 1
So 1338705-83-1 is a valid CAS Registry Number.
1338705-83-1Relevant academic research and scientific papers
CEPHEM COMPOUND HAVING CATECHOL GROUP
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Paragraph 0128; 0129, (2013/03/26)
A compound of the formula: wherein X is -N=, -CH=, or the like; W is -CH2- or the like; U is -S- or the like; R1 and R2 are each independently hydrogen, halogen, optionally substituted lower alkyl, or the like; R3/su
