1338708-13-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1338708-13-6 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 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1338708-13:
(9*1)+(8*3)+(7*3)+(6*8)+(5*7)+(4*0)+(3*8)+(2*1)+(1*3)=166
166 % 10 = 6
So 1338708-13-6 is a valid CAS Registry Number.
1338708-13-6Relevant articles and documents
CEPHEM COMPOUND HAVING CATECHOL GROUP
-
Paragraph 0375; 0376, (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