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137233-64-8

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137233-64-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137233-64-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,2,3 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 137233-64:
(8*1)+(7*3)+(6*7)+(5*2)+(4*3)+(3*3)+(2*6)+(1*4)=118
118 % 10 = 8
So 137233-64-8 is a valid CAS Registry Number.

137233-64-8Downstream Products

137233-64-8Relevant articles and documents

Synthesis and Antibacterial Activities of C-21 Functionalized Derivatives of (9R)-9-Amino-9-deoxoerythromycins A and B

Lartey, Paul A.,DeNinno, Shari L.,Faghih, Ramin,Hardy, Dwight J.,Clement, Jacob J.,et al.

, p. 3390 - 3395 (2007/10/02)

Selective protection of (9R)-9-amino-9-deoxoerythromycin A allowed for elimination of the 12-hydroxyl group to afford a versalite 12,21-olefin intermediate.Further modifications of the intermediate led to the syntheses of (9R)-9-deoxo-9-(N,N-dimethylamino

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