67749-39-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67749-39-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,7,4 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 67749-39:
(7*6)+(6*7)+(5*7)+(4*4)+(3*9)+(2*3)+(1*9)=177
177 % 10 = 7
So 67749-39-7 is a valid CAS Registry Number.
67749-39-7Relevant articles and documents
Penicillamine compounds
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, (2008/06/13)
Penicillamine compounds of the formula: STR1 and of the formula: STR2 wherein R1, R2, R3, A and B are as defined hereinafter, and pharmaceutically acceptable acid addition salts thereof are disclosed. II are the products o