1312953-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1312953-83-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,2,9,5 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1312953-83:
(9*1)+(8*3)+(7*1)+(6*2)+(5*9)+(4*5)+(3*3)+(2*8)+(1*3)=145
145 % 10 = 5
So 1312953-83-5 is a valid CAS Registry Number.
1312953-83-5Relevant articles and documents
CRYSTALLINE FORM OF CARBAPENEM DERIVATIVE OR ITS HYDRATES AND PREPARATION METHODS AND USES THEREOF
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Paragraph 0064; 0066; 0067; 0068; 0069, (2013/04/13)
The present invention relates to the crystalline form of carbapenems derivative or hydrate thereof and the preparation methods thereof. Specifically, the present invention relates to the crystalline form of carbapenem derivative (4R,5S,6S)-6-((R)-1-hydrox