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(1S,3R,5RS,7S,8R,9R)-7-(tert-Butyldimethylsilyloxy)-5-methoxy-2,4-dioxatricyclo<6.2.1.03,7>undecan-9-ol methanesulphonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137956-66-2

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137956-66-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137956-66-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,9,5 and 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 137956-66:
(8*1)+(7*3)+(6*7)+(5*9)+(4*5)+(3*6)+(2*6)+(1*6)=172
172 % 10 = 2
So 137956-66-2 is a valid CAS Registry Number.

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